{"id":13,"date":"2023-08-03T05:59:59","date_gmt":"2023-08-03T05:59:59","guid":{"rendered":"http:\/\/sltr.local\/?page_id=13"},"modified":"2023-09-27T05:51:30","modified_gmt":"2023-09-27T05:51:30","slug":"publications","status":"publish","type":"page","link":"https:\/\/sltr.ird.lk\/ta\/publications\/","title":{"rendered":"Publications"},"content":{"rendered":"\n<div class=\"wp-block-uagb-container uagb-block-41568f09 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-6a259d45\"><h2 class=\"uagb-heading-text\">Papers<\/h2><\/div>\n\n\n\n<div class=\"wp-block-query is-layout-flow wp-block-query-is-layout-flow\"><ul class=\"publication-template wp-block-post-template is-layout-flow wp-block-post-template-is-layout-flow\"><li class=\"wp-block-post post-2089 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/cardiometabolic-risk-profiles-in-a-sri-lankan-twin-and-singleton-sample\/\" target=\"_self\" >Cardiometabolic risk profiles in a Sri Lankan twin and singleton sample<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2022-11-07T06:00:00+00:00\">November 2022<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Prevention of cardiovascular disease and diabetes is a priority in low- and middle-income countries, especially in South Asia where these are leading causes of morbidity and mortality. The metabolic syndrome is a tool to identify cardiometabolic risk, but the validity&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2087 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/relationship-between-crp-and-depression-a-genetically-sensitive-study-in-sri-lanka\/\" target=\"_self\" >Relationship between CRP and depression: A genetically sensitive study in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2022-01-12T05:56:00+00:00\">January 2022<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Previous studies have shown associations between major depression and C-reactive protein (CRP) levels. Few studies have considered the extent to which shared genetic and environmental factors contribute to this association, nor have they considered the relationship outside of European populations.&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2085 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/associations-between-anxiety-symptoms-and-health-related-quality-of-life-a-population-based-twin-study-in-sri-lanka\/\" target=\"_self\" >Associations Between Anxiety Symptoms and Health-Related Quality of Life: A Population-Based Twin Study in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2021-02-18T05:52:00+00:00\">February 2021<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Anxiety not only concerns mental wellbeing but also negatively impacts other areas of health. Yet, there is limited research on (a) the genetic and environmental aetiology of such relationships; (b) sex differences in aetiology and (c) non-European samples. In this&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2082 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/the-sri-lankan-twin-registry-biobank-south-asias-first-twin-biobank\/\" target=\"_self\" >The Sri Lankan twin registry biobank: South Asia&#8217;s first twin biobank<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2020-09-09T05:44:00+00:00\">September 2020<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Biobanks are a valuable resource for creating advancements in science through cutting-edge omics research. Twin research methods allow us to understand the degree to which genetics and environmental factors contribute to health outcomes. <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2080 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/genetic-and-environmental-variation-in-educational-attainment-an-individual-based-analysis-of-28-twin-cohorts\/\" target=\"_self\" >Genetic and environmental variation in educational attainment: an individual-based analysis of 28 twin cohorts<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2020-07-29T05:41:00+00:00\">July 2020<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">We investigated the heritability of educational attainment and how it differed between birth cohorts and cultural\u2013geographic regions. A classical twin design was applied to pooled data from 28 cohorts representing 16 countries and including 193,518 twins with information on educational&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2078 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/genetic-overlap-between-type-2-diabetes-and-depression-in-a-sri-lankan-population-twin-sample\/\" target=\"_self\" >Genetic Overlap Between Type 2 Diabetes and Depression in a Sri Lankan Population Twin Sample<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2020-02-02T05:33:00+00:00\">February 2020<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Kan, Carol MRCPsych, PhD; Jayaweera, Kaushalya MD; Adikari, Anushka MD; Siribaddana, Sisira FRCP; Zavos, Helena M.S. PhD; Harber-Aschan, Lisa PhD; Sumathipala, Athula PhD; Hotopf, Matthew PhD, FRCPsych; Ismail, Khalida MRCPsych, PhD; Rijsdijk, Fr\u00fchling PhD Psychosomatic Medicine \u00a0Volume 82\u00a0&#8211;\u00a0Issue 2 doi:&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1074 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/the-relationship-between-independent-and-dependent-life-events-and-depression-symptoms-in-sri-lanka-a-twin-and-singleton-study\/\" target=\"_self\" >The relationship between independent and dependent life events and depression symptoms in Sri Lanka: a twin and singleton study<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2020-02-01T07:30:00+00:00\">February 2020<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Life events have been associated with a variety of mental health conditions including depression. There is a scarcity of research in South Asia exploring the aetiology of independent and dependent life events and their relationship with depression symptoms. This study&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2076 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/protocol-for-establishing-a-child-and-adolescent-twin-register-for-mental-health-research-and-capacity-building-in-sri-lanka-and-other-low-and-middle-income-countries-in-south-asia\/\" target=\"_self\" >Protocol for establishing a child and adolescent twin register for mental health research and capacity building in Sri Lanka and other low and middle-income countries in South Asia<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2019-10-02T05:26:00+00:00\">October 2019<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Worldwide, 10%\u201320% of children and adolescents experience mental health conditions. However, most such disorders remain undiagnosed until adolescence or adulthood. Little is known about the factors that influence mental health in children and adolescents, especially in low and middle-income countries&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1073 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/the-association-between-emotional-eating-and-depressive-symptoms-a-population-based-twin-study-in-sri-lanka\/\" target=\"_self\" >The association between emotional eating and depressive symptoms: a population-based twin study in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2019-05-01T07:30:00+00:00\">May 2019<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">This study investigated the genetic and environmental contributions to emotional overeating (EOE) and depressive symptoms, and their covariation, in a Sri-Lankan population, using genetic model-fitting analysis. In total, 3957 twins and singletons in the Colombo Twin and Singleton Study-Phase 2&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1072 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/agreement-between-subjective-and-objective-measures-of-sleep-duration-in-a-low-middle-income-country-setting\/\" target=\"_self\" >Agreement between subjective and objective measures of sleep duration in a low-middle income country setting<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2018-12-01T07:30:00+00:00\">December 2018<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Describe sleep duration in adult Sri Lankans and determine the bias and agreement of self-report and actigraphic assessments. <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1070 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/the-colombo-twin-and-singleton-follow-up-study-a-population-based-twin-study-of-psychiatric-disorders-and-metabolic-syndrome-in-sri-lanka\/\" target=\"_self\" >The Colombo Twin and Singleton Follow-up Study: a population based twin study of psychiatric disorders and metabolic syndrome in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2018-01-01T07:28:00+00:00\">January 2018<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">The disease burden related to mental disorders and metabolic syndrome is growing in low-and middle-income countries (LMIC). The Colombo Twin and Singleton Study (COTASS) is a population-based sample of twins and singletons in Colombo, Sri Lanka. Here we present prevalence&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2069 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/twins-as-participants-in-randomized-controlled-trials-a-review-of-published-literature\/\" target=\"_self\" >Twins as Participants in Randomized Controlled Trials: A Review of Published Literature<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2017-12-01T10:23:00+00:00\">December 2017<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Monozygotic (MZ) and dizygotic (DZ) twins participate in research that partitions variance in health, disease, and behavior into genetic and environmental components. However, there are other innovative roles for twins in medical research <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1068 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/education-in-twins-and-their-parents-across-birth-cohorts-over-100-years-an-individual-level-pooled-analysis-of-42-twin-cohorts\/\" target=\"_self\" >Education in Twins and Their Parents Across Birth Cohorts Over 100 years: An Individual-Level Pooled Analysis of 42-Twin Cohorts<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2017-10-01T07:26:00+00:00\">October 2017<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Whether monozygotic (MZ) and dizygotic (DZ) twins differ from each other in a variety of phenotypes is important for genetic twin modeling and for inferences made from twin studies in general. We analyzed whether there were differences in individual, maternal&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2065 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/differences-in-genetic-and-environmental-variation-in-adult-bmi-by-sex-age-time-period-and-region-an-individual-based-pooled-analysis-of-40-twin-cohorts\/\" target=\"_self\" >Differences in genetic and environmental variation in adult BMI by sex, age, time period, and region: an individual-based pooled analysis of 40 twin cohorts<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2017-08-27T09:31:00+00:00\">August 2017<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Genes and the environment contribute to variation in adult body mass index [BMI (in kg\/m2)], but factors modifying these variance components are poorly understood. <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2067 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/genetic-and-other-risk-factors-for-suicidal-ideation-and-the-relationship-with-depression\/\" target=\"_self\" >Genetic and other risk factors for suicidal ideation and the relationship with depression<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2017-05-08T09:37:00+00:00\">May 2017<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">There is a genetic contribution to the risk of suicide, but sparse prior research on the genetics of suicidal ideation. <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2061 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/does-the-sex-of-ones-co-twin-affect-height-and-bmi-in-adulthood-a-study-of-dizygotic-adult-twins-from-31-cohorts\/\" target=\"_self\" >Does the sex of one\u2019s co-twin affect height and BMI in adulthood? A study of dizygotic adult twins from 31 cohorts<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2017-04-27T09:25:00+00:00\">April 2017<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">The comparison of traits in twins from opposite-sex (OS) and same-sex (SS) dizygotic twin pairs is considered a proxy measure of prenatal hormone exposure. To examine possible prenatal hormonal influences on anthropometric traits, we compared mean height, body mass index&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2059 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/genetic-and-environmental-influences-on-adult-human-height-across-birth-cohorts-from-1886-to-1994\/\" target=\"_self\" >Genetic and environmental influences on adult human height across birth cohorts from 1886 to 1994<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2016-12-14T09:20:00+00:00\">December 2016<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Human height variation is determined by genetic and environmental factors, but it remains unclear whether their influences differ across birth-year cohorts. We conducted an individual-based pooled analysis of 40 twin cohorts including 143,390 complete twin pairs born 1886\u20131994. Although genetic&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2054 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/genetic-and-environmental-effects-on-body-mass-index-from-infancy-to-the-onset-of-adulthood-an-individual-based-pooled-analysis-of-45-twin-cohorts-participating-in-the-collaborative-project-of-develo\/\" target=\"_self\" >Genetic and environmental effects on body mass index from infancy to the onset of adulthood: an individual-based pooled analysis of 45 twin cohorts participating in the COllaborative project of Development of Anthropometrical measures in Twins (CODATwins) study<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2016-08-27T09:10:00+00:00\">August 2016<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Both genetic and environmental factors are known to affect body mass index (BMI), but detailed understanding of how their effects differ during childhood and adolescence is lacking. <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2050 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/twins-birth-order-differences-in-height-and-body-mass-index-from-birth-to-old-age-a-pooled-study-of-26-twin-cohorts-participating-in-the-codatwins-project\/\" target=\"_self\" >Twin&#8217;s Birth-Order Differences in Height and Body Mass Index From Birth to Old Age: A Pooled Study of 26 Twin Cohorts Participating in the CODATwins Project<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2016-03-09T06:47:00+00:00\">March 2016<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">We analyzed birth order differences in means and variances of height and body mass index (BMI) in monozygotic (MZ) and dizygotic (DZ) twins from infancy to old age. The data were derived from the international CODATwins database. The total number&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-2047 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/zygosity-testing-should-be-encouraged-for-all-same-sex-twins\/\" target=\"_self\" >Zygosity testing should be encouraged for all same-sex twins<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2015-10-26T06:10:00+00:00\">October 2015<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Twin pairs are either monozygotic (MZ) or dizygotic (DZ). Diagnosis of zygosity has traditionally been based on sex, genetics and\/or chorionicity (Derom et al. Twin Res, 2001;4:134\u20136). A monochorionic placenta, determined using first-trimester ultrasound scans and confirmed by placental examination&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1066 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/zygosity-differences-in-height-and-body-mass-index-of-twins-from-infancy-to-old-age-a-study-of-the-codatwins-project\/\" target=\"_self\" >Zygosity Differences in Height and Body Mass Index of Twins From Infancy to Old Age: A Study of the CODATwins Project<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2015-10-08T07:25:00+00:00\">October 2015<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">A trend toward greater body size in dizygotic (DZ) than in monozygotic (MZ) twins has been suggested by some but not all studies, and this difference may also vary by age. We analyzed zygosity differences in mean values and variances&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1044 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/the-codatwins-project-the-cohort-description-of-collaborative-project-of-development-of-anthropometrical-measures-in-twins-to-study-macro-environmental-variation-in-genetic-and-environmental-effects\/\" target=\"_self\" >The CODATwins Project: The Cohort Description of Collaborative Project of Development of Anthropometrical Measures in Twins to Study Macro-Environmental Variation in Genetic and Environmental Effects on Anthropometric Traits<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2015-08-01T12:00:00+00:00\">August 2015<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">For over 100 years, the genetics of human anthropometric traits has attracted scientific interest. In particular, height and body mass index (BMI, calculated as kg\/m2) have been under intensive genetic research. However, it is still largely unknown whether and how&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1042 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/the-prevalence-and-correlates-of-alcohol-use-and-alcohol-use-disorders-a-population-based-study-in-colombo-sri-lanka\/\" target=\"_self\" >The prevalence and correlates of alcohol use and alcohol use disorders: a population based study in Colombo, Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2015-07-01T12:00:00+00:00\">July 2015<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Alcohol use is increasing in non-Western countries. However, the effects of this increase on the prevalence of alcohol use disorders (AUD) remains unknown, particularly in South Asia. This study aimed to estimate the prevalence of alcohol use and AUD in&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1040 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/international-network-of-twin-registries-intr-building-a-platform-for-international-collaboration\/\" target=\"_self\" >International Network of Twin Registries (INTR): Building a Platform for International Collaboration<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2014-12-01T12:00:00+00:00\">December 2014<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">The International Network of Twin Registries (INTR) aims to foster scientific collaboration and promote twin research on a global scale by working to expand the resources of twin registries around the world and make them available to researchers who adhere&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1038 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/trauma-post-traumatic-stress-disorder-and-psychiatric-disorders-in-a-middle-income-setting-prevalence-and-comorbidity\/\" target=\"_self\" >Trauma, post-traumatic stress disorder and psychiatric disorders in a middle-income setting: prevalence and comorbidity<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2014-11-01T12:00:00+00:00\">November 2014<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Most studies of post-traumatic stress disorder (PTSD) in low- and middle-income countries (LMICs) have focused on \u2018high-risk\u2019 populations defined by exposure to trauma. <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1036 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/the-sri-lankan-twin-registry-2012-update\/\" target=\"_self\" >The Sri Lankan Twin Registry: 2012 Update<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2013-02-01T00:00:00+00:00\">February 2013<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">The Sri Lankan Twin Registry (SLTR), established in 1997, is a unique resource for twin and genetic research in a low- and middle-income country (LMIC). It comprises of a volunteer cohort of 14,120 twins (7,060 pairs) and 119 sets of&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1034 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/genetic-and-environmental-etiology-of-nicotine-use-in-sri-lankan-male-twins\/\" target=\"_self\" >Genetic and Environmental Etiology of Nicotine Use in Sri Lankan Male Twins<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2012-09-01T00:00:00+00:00\">September 2012<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Little is known about the prevalence and etiology of tobacco use in Asian populations. This study aims to test whether the finding of substantial heritability for tobacco-related phenotypes in Western populations is generalizable to developing countries. <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1032 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/genetic-and-environmental-contributions-to-the-overlap-between-psychological-fatigue-and-somatic-symptoms-a-twin-study-in-sri-lanka\/\" target=\"_self\" >Genetic and Environmental Contributions to the Overlap Between Psychological, Fatigue and Somatic Symptoms: A Twin Study in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2011-02-01T12:00:00+00:00\">February 2011<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Somatic symptoms often co-occur with psychological symptoms but this overlap is poorly understood. Some aspects of this overlap differ in the South Asian context, but it is not clear whether this is a reporting effect or an underlying difference in&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1030 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/aetiology-of-fatigue-in-sri-lanka-and-its-overlap-with-depression\/\" target=\"_self\" >Aetiology of fatigue in Sri Lanka and its overlap with depression<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2010-08-01T12:00:00+00:00\">August 2010<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Fatigue is a common symptom in Western high-income countries but is often medically unexplained and little is known about its presentation in other populations. To explore the epidemiology and aetiology of fatigue in Sri Lanka, and of its overlap with&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1027 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/epidemiology-and-symptomatology-of-depression-in-sri-lanka-a-cross-sectional-population-based-survey-in-colombo-district\/\" target=\"_self\" >Epidemiology and symptomatology of depression in Sri Lanka: A cross-sectional population-based survey in Colombo District<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2010-06-01T12:00:00+00:00\">June 2010<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">It is important to understand the nature of depression in non-Western and lower-income countries, but little such research exists. This study aimed to examine the characteristic features of depression in Sri Lanka, and to identify environmental risk factors. <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1023 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/environmental-exposures-and-their-genetic-or-environmental-contribution-to-depression-and-fatigue-a-twin-study-in-sri-lanka\/\" target=\"_self\" >Environmental exposures and their genetic or environmental contribution to depression and fatigue: a twin study in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2010-02-01T12:00:00+00:00\">February 2010<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">There is very little genetically informative research identifying true environmental risks for psychiatric conditions. These may be best explored in regions with diverse environmental exposures. The current study aimed to explore similarities and differences in such risks contributing to depression&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1024 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/genetic-and-environmental-contributions-to-depression-in-sri-lanka\/\" target=\"_self\" >Genetic and environmental contributions to depression in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2009-12-01T00:00:00+00:00\">December 2009<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Susceptibility to depression results from genetic and non-familially shared environmental influences in high-income, Western countries. Environments may play a different role for populations in different contexts. <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1021 post type-post status-publish format-standard hentry category-papers category-publication tag-cotass-1\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/colombo-twin-and-singleton-study-cotass-a-description-of-a-population-based-twin-study-of-mental-disorders-in-sri-lanka\/\" target=\"_self\" >Colombo Twin and Singleton Study (CoTASS): A description of a population based twin study of mental disorders in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2008-06-01T12:00:00+00:00\">June 2008<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">The Sri Lankan twin registry is one of the first to be established in a developing country, and its design has ensured sampling from a wide range of environmental conditions. It thus has great potential to examine environmental and genetic&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1018 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/update-from-sri-lankan-twin-registry-establishment-of-a-population-based-twin-register-and-ongoing-project-on-common-mental-disorders-alcohol-abuse-and-suicidal-ideations\/\" target=\"_self\" >Update From Sri Lankan Twin Registry: Establishment of a Population-Based Twin Register and Ongoing Project on Common Mental Disorders, Alcohol Abuse and Suicidal Ideations<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2006-12-01T12:00:00+00:00\">December 2006<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">The Sri Lankan Twin Registry began as a volunteer register in 1997. Previously, we have shown door-to-door surveys as the best option to build a population-based twin register of older, adult twins. Our aim was to build a population-based twin&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1012 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/challenges-in-recruiting-older-twins-for-the-sri-lankan-twin-registry\/\" target=\"_self\" >Challenges in Recruiting Older Twins for the Sri Lankan Twin Registry<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2003-02-01T12:00:00+00:00\">February 2003<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">The National Twin Registry of Sri Lanka was established in 1997 as a volunteer register. To extend it to a population-based register, we examined the effectiveness of tracing older twins by inspecting birth records and recruiting them by postal invitation&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1010 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/sri-lankan-twin-registry\/\" target=\"_self\" >Sri Lankan Twin Registry<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2002-10-01T00:00:00+00:00\">October 2002<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Sri Lanka is an island with genetic diversity between the five main population groups. Our twin registry is the first in the developing world. Initially, we established a volunteer cohort of 4600 twin pairs through a competition advertised in the&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1008 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/feasibility-of-using-different-approaches-for-recruiting-younger-twins-to-establish-a-population-based-twin-register-in-sri-lanka\/\" target=\"_self\" >Feasibility of Using Different Approaches for Recruiting Younger Twins to Establish a Population Based Twin Register in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2001-12-01T00:00:00+00:00\">December 2001<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Identifying twins for a population-based register can be achieved through birth records or community surveys. We studied the feasibility and effectiveness of different methods of identifying and recruiting twins to establish a population based register. <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-983 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/establishing-a-twin-register-in-sri-lanka\/\" target=\"_self\" >Establishing a twin register in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2000-08-01T12:00:00+00:00\">August 2000<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Nearly all twin registers are based in developed countries and there is no twin register in the developing world. Our objectives were to initiate the process of establishing a nationwide twin register in Sri Lanka by starting a volunteer register&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-992 post type-post status-publish format-standard hentry category-papers category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-1cbb51d6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8169af97\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/cross-cultural-adaptation-and-preliminary-validation-of-a-zygosity-determination-questionnaire-for-twins-in-sri-lanka\/\" target=\"_self\" >Cross-cultural adaptation and preliminary validation of a zygosity determination questionnaire for twins in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2000-08-01T12:00:00+00:00\">August 2000<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">We report the process of adaptation into Sinhala of a questionnaire given to mothers of twins to determine zygosity. Adaptation and validation was carried out in three stages. Firstly, we used a nominal group to translate the English version and&hellip; <\/p><\/div><\/div>\n\n<\/li><\/ul>\n\n\n\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-641c0e30 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-93c51794\"><h2 class=\"uagb-heading-text\">Abstracts<\/h2><\/div>\n\n\n\n<div class=\"wp-block-query is-layout-flow wp-block-query-is-layout-flow\"><ul class=\"publication-template wp-block-post-template is-layout-flow wp-block-post-template-is-layout-flow\"><li class=\"wp-block-post post-1102 post type-post status-publish format-standard hentry category-abstracts category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-c0b2e5f6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-035cb388\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/a-successful-model-of-a-north-south-collaboration\/\" target=\"_self\" >A Successful Model of a North-South Collaboration<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2007-06-07T08:21:00+00:00\">June 2007<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">This presentation will describe the process of setting up a population-based twin study in Sri Lanka, funded by Wellcome Trust, and representing a collaboration between the Sri Lankan Twin Registry and the Institute of Psychiatry, King\u2019s College London. This study&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1103 post type-post status-publish format-standard hentry category-abstracts category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-c0b2e5f6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-035cb388\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/sri-lankan-twin-registry-challenges-barriers-and-lessons-learned\/\" target=\"_self\" >Sri Lankan Twin Registry: Challenges, Barriers and Lessons Learned<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2007-06-07T08:21:00+00:00\">June 2007<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">As with any new initiatives, we faced many obstacles. Determination, commitment and team work were our strengths. Acquisition of basic knowledge was vital. This demanded networking with experienced international twin researchers. Collaboration was based on mutual benefits and scientific merit,&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1099 post type-post status-publish format-standard hentry category-abstracts category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-c0b2e5f6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-035cb388\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/the-heritability-of-somatic-symptoms-in-a-sri-lankan-twin-sample\/\" target=\"_self\" >The Heritability of Somatic Symptoms in a Sri Lankan Twin Sample<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2007-06-07T08:18:00+00:00\">June 2007<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Few twin studies have examined large representative samples in nonwestern, developing countries. This is important to address because the relative magnitude of environmental influences on common mental disorders may differ in populations experiencing qualitatively and quantitatively different environmental risk factors&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1097 post type-post status-publish format-standard hentry category-abstracts category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-c0b2e5f6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-035cb388\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/starting-from-scratch-in-sri-lanka\/\" target=\"_self\" >Starting from scratch in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2001-07-04T08:16:00+00:00\">July 2001<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Commitment against obstacles and basic knowledge was vital, but books and journals were a scarcity. This demanded networking with experienced twin researchers. A partnership model for collaboration was used for mutual scientific benefits but not for economically cheaper research in&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1095 post type-post status-publish format-standard hentry category-abstracts category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-c0b2e5f6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-035cb388\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/early-report-on-the-availability-of-island-wide-twin-data-in-the-central-birth-registration-department\/\" target=\"_self\" >Early Report on the Availability of Island Wide Twin Data in the Central Birth Registration Department<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2001-07-04T08:12:00+00:00\">July 2001<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Population based twin registers are not common outside Scandinavia, particularly in the developing world. Sri Lanka has a 98% accuracy of birth registration. However only since 1992 these records have been computerized at the Central Birth Registration Department including the&hellip; <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1093 post type-post status-publish format-standard hentry category-abstracts category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-c0b2e5f6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-035cb388\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/feasibility-of-using-birth-records-for-recruiting-older-twins-for-the-sri-lankan-twin-registry\/\" target=\"_self\" >Feasibility of Using Birth Records for Recruiting Older Twins for the Sri Lankan Twin Registry<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2001-07-04T08:07:00+00:00\">July 2001<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">To expand the National Twin Registry of Sri Lanka to a population based register, we examined the feasibility of tracing older twins by inspecting birth records and recruiting them by postal invitation and in-person contact. <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1089 post type-post status-publish format-standard hentry category-abstracts category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-c0b2e5f6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-035cb388\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/feasibility-of-using-different-approaches-for-recruiting-twins-to-establish-a-population-based-twin-register-in-research-sri-lanka\/\" target=\"_self\" >Feasibility of Using Different Approaches for Recruiting Twins to Establish A Population Based Twin Register in Research Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2000-09-08T08:03:00+00:00\">September 2000<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Annual Scientific Sessions,\u00a0Sri Lanka Medical Association <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1085 post type-post status-publish format-standard hentry category-abstracts category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-c0b2e5f6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-035cb388\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/cross-cultural-adaptation-and-preliminary-validation-of-a-zygosity-determination-questionnaire-for-twins-in-sri-lanka-2\/\" target=\"_self\" >Cross cultural adaptation and preliminary validation of a zygosity determination questionnaire for twins in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"1999-09-08T08:01:00+00:00\">September 1999<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Annual Scientific Sessions,&nbsp;Sri Lanka Medical Association <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1082 post type-post status-publish format-standard hentry category-abstracts category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-c0b2e5f6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-035cb388\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/establishing-a-twin-register-in-sri-lanka-update\/\" target=\"_self\" >Establishing a twin register in Sri Lanka. Update<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"1999-09-08T07:54:00+00:00\">September 1999<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Proceedings of the Annual Scientific Sessions of the Sri Lanka Medical Association. <\/p><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-1078 post type-post status-publish format-standard hentry category-abstracts category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-c0b2e5f6\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-035cb388\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/establishing-a-twin-register-in-sri-lanka-2\/\" target=\"_self\" >Establishing a twin register in Sri Lanka<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"1998-06-06T07:50:00+00:00\">June 1998<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Nearly all Twin Registers are based in developed countries and there is no Twin Register in the developing world. Objectives To initiate the process of establishing a nation-wide Twin Register in Sri Lanka by starting a volunteer register first and&hellip; <\/p><\/div><\/div>\n\n<\/li><\/ul>\n\n\n\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-d2cfcd17 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-272d5acd\"><h2 class=\"uagb-heading-text\">Books<\/h2><\/div>\n\n\n\n<div class=\"wp-block-query is-layout-flow wp-block-query-is-layout-flow\"><ul class=\"publication-template wp-block-post-template is-layout-flow wp-block-post-template-is-layout-flow\"><li class=\"wp-block-post post-1108 post type-post status-publish format-standard hentry category-books category-publication\">\n\n<div class=\"wp-block-uagb-separator uagb-block-8f535cdf\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-b55d9225\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/sltr.ird.lk\/ta\/publication\/research-ethics-froma-developing-world-perspective\/\" target=\"_self\" >Research Ethics from a Developing World Perspective<\/a><\/h2>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2003-03-01T08:28:00+00:00\">March 2003<\/time><\/div>\n\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">This slim volume marks a very significant milestone for Sri Lanka \u2014 first,for the development of the country\u2019shuman research and, second, for the impetus and legitimacy it will provide for developing countries like Sri Lanka to formulate their own research&hellip; <\/p><\/div><\/div>\n\n<\/li><\/ul>\n\n\n\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Papers Abstracts Books<\/p>\n","protected":false},"author":1,"featured_media":126,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-13","page","type-page","status-publish","has-post-thumbnail","hentry"],"translation":{"provider":"WPGlobus","version":"3.0.0","language":"ta","enabled_languages":["en","si","ta"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"si":{"title":false,"content":false,"excerpt":false},"ta":{"title":false,"content":false,"excerpt":false}}},"uagb_featured_image_src":{"full":["https:\/\/sltr.ird.lk\/wp-content\/uploads\/2023\/08\/twinregistry-2.jpg",1280,710,false],"thumbnail":["https:\/\/sltr.ird.lk\/wp-content\/uploads\/2023\/08\/twinregistry-2-150x150.jpg",150,150,true],"medium":["https:\/\/sltr.ird.lk\/wp-content\/uploads\/2023\/08\/twinregistry-2-300x166.jpg",300,166,true],"medium_large":["https:\/\/sltr.ird.lk\/wp-content\/uploads\/2023\/08\/twinregistry-2-768x426.jpg",640,355,true],"large":["https:\/\/sltr.ird.lk\/wp-content\/uploads\/2023\/08\/twinregistry-2-1024x568.jpg",640,355,true],"1536x1536":["https:\/\/sltr.ird.lk\/wp-content\/uploads\/2023\/08\/twinregistry-2.jpg",1280,710,false],"2048x2048":["https:\/\/sltr.ird.lk\/wp-content\/uploads\/2023\/08\/twinregistry-2.jpg",1280,710,false]},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/sltr.ird.lk\/ta\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"Papers Abstracts Books","_links":{"self":[{"href":"https:\/\/sltr.ird.lk\/ta\/wp-json\/wp\/v2\/pages\/13","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sltr.ird.lk\/ta\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sltr.ird.lk\/ta\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sltr.ird.lk\/ta\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sltr.ird.lk\/ta\/wp-json\/wp\/v2\/comments?post=13"}],"version-history":[{"count":27,"href":"https:\/\/sltr.ird.lk\/ta\/wp-json\/wp\/v2\/pages\/13\/revisions"}],"predecessor-version":[{"id":2020,"href":"https:\/\/sltr.ird.lk\/ta\/wp-json\/wp\/v2\/pages\/13\/revisions\/2020"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sltr.ird.lk\/ta\/wp-json\/wp\/v2\/media\/126"}],"wp:attachment":[{"href":"https:\/\/sltr.ird.lk\/ta\/wp-json\/wp\/v2\/media?parent=13"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}