1. Department of Social Research, University of Helsinki, Helsinki, Finland
2. Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country UPV/EHU, Leioa, Spain
3. Department of Public Health Nursing, Osaka City University, Osaka, Japan
4. Obesity Research Unit, Research Programs Unit, University of Helsinki, Helsinki, Finland and Abdominal Center, Endocrinology, Helsinki University Central Hospital, Helsinki, Finland
5. Department of Education, Mokpo National University, Jeonnam, South Korea
6. Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands
7. Department of Health Science, Ishikawa Prefectural Nursing University, Kahoku, Ishikawa, Japan
8. Boston University, Department of Psychological and Brain Sciencies, Boston, MA, USA
9. Istituto Superiore di Sanità—National Center for Epidemiology, Surveillance and Health Promotion, Rome, Italy
10. Department of Health and Exercise Sciencies and Colorado School of Public Health, Colorado State University, USA
11. Psychology and Neuroscience, Duke University, Durham, NC, USA
12. The Hebrew University of Jerusalem, Jerusalem, Israel
13. Hadassah Hospital Obstetrics and Gynecology Department, Hebrew University Medical School, Jerusalem, Israel
14. Department of Public Health, University of Helsinki, Helsinki, Finland
15. The Australian Twin Registry, Centre for Epidemiology and Biostatistics, The University of Melbourne, Melbourne, Victoria, Australia
16. Department of Epidemiology, School of Public Health, Seoul National University, Seoul, Korea
17. Health Behaviour Research Centre, Department of Epidemiology and Public Health, Institute of Epidemiology and Health Care, University College London, London, UK
18. Institute for Behavioral Genetics, University of Colorado, Boulder, Colorado, USA
19. Centre of Human Genetics, University Hospitals Leuven, Leuven, Belgium
20. Department of Obstetrics and Gynaecology, Ghent University Hospitals, Ghent, Belgium
21. The Charles Bronfman Institute for Personalized Medicine, The Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
22. Bandim Health Project, INDEPTH Network, Bissau, Guinea-Bissau
23. Research Center for Vitamins and Vaccines, Statens Serum Institute, Copenhagen, Denmark
24. Department of Endocrinology, Odense University Hospital, Odense, Denmark
25. Department of Infectious Diseases, Odense University Hospital, Odense, Denmark
26. Department of Radiology and Oncotherapy, Semmelweis University, Budapest, Hungary
27. Hungarian Twin Registry, Budapest, Hungary
28. Michigan State University, East Lansing, Michigan, USA
29. Department of Human Anatomy and Psychobiology, University of Murcia, Murcia, Spain
30. IMIB-Arrixaca, Murcia, Spain
31. Department of Developmental and Educational Psychology, University of Murcia, Murcia, Spain
32. QIMR Berghofer Medical Research Institute, Brisbane, Australia
33. School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa, Ottawa, Ontario, Canada
34. School of Psycholoy, Laval University, Quebec, Canada
35. Institute of Genetic, Neurobiological, and Social Foundations of Child Development, Tomsk State University, Russian Federation
36. Departement of Psychology, University of Quebec at Montreal, Montreal, Quebec, Canada
37. School of Psychoeducation, University of Montreal, Montreal, Quebec, Canada
38. Norwegian Institute of Public Health, Oslo, Norway
39. Murdoch Childrens Research Institute, Royal Children’s Hospital, Parkville, Victoria, Australia
40. Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
41. Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
42. Healthy Twin Association of Mongolia, Ulaanbaatar, Mongolia
43. Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
44. MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK
45. King’s College London, MRC Social, Genetic & Developmental Psychiatry Centre, Institute of Psychiatry, Psychology & Neuroscience, London, UK
46. Department of Noncommunicable Diseases Prevention, Qingdao Centers for Disease Control and Prevention, Qingdao, China
47. Department of Psychology, University of Minnesota, Minneapolis, MN, USA
48. Novo Nordisk Foundation Centre for Basic Metabolic Research (Section on Metabolic Genetics), and Department of Public Health, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
49. Department of Clinical Epidemiology (formely Institute of Preventive Medicine), Bispebjerg and Frederiksberg Hospitals, Copenhagen, The Capital Region, Denmark
50. National Institute for Health and Welfare, Helsinki, Finland
51. Institute for Molecular Medicine FIMM, Helsinki, Finland
52. Osaka University Graduate School of Medicine, Osaka University, Osaka, Japan