[1] Univ Helsinki, Dept Social Res, Helsinki, Finland
[2] Univ Basque Country, UPV EHU, Dept Genet Phys Anthropol & Anim Physiol, Leioa, Spain
[3] Mokpo Natl Univ, Dept Educ, Jeonnam, South Korea
[4] Osaka City Univ, Dept Publ Hlth Nursing, Osaka 558, Japan
[5] Univ Southern Denmark, Dept Publ Hlth Epidemiol Biostat & Biodemog, Danish Twin Registry, Odense, Denmark
[6] Osaka Univ, Grad Sch Med, Osaka, Japan
[7] Karolinska Inst, Dept Med Epidemiol & Biostat, Stockholm, Sweden
[8] Ishikawa Prefectural Nursing Univ, Dept Hlth Sci, Kahoku, Ishikawa, Japan
[9] Univ Helsinki, Dept Publ Hlth, Helsinki, Finland
[10] Natl Ctr Epidemiol Surveillance & Hlth Promot, Ist Super Sanita, Rome, Italy
[11] Univ Madeira, Dept Phys Educ & Sport, Funchal, Portugal
[12] Univ Porto, Fac Sport, CIFI2D, Rua Campo Alegre 823, P-4100 Oporto, Portugal
[13] Qingdao Ctr Dis Control & Prevent, Dept Noncommunicable Dis Prevent, Qingdao, Peoples R China
[14] HlthTwiSt GmbH, Berlin, Germany
[15] Univ Bielefeld, Dept Psychol, D-33615 Bielefeld, Germany
[16] Boston Univ, Dept Psychol & Brain Sci, Boston, MA 02215 USA
[17] Univ British Columbia, Dept Psychiat, Vancouver, BC, Canada
[18] Univ So Calif, Dept Prevent Med, Keck Sch Med USC, Los Angeles, CA 90089 USA
[19] USC Norris Comprehens Canc Ctr, Los Angeles, CA USA
[20] Peking Univ, Sch Publ Hlth, Dept Epidemiol & Biostat, Beijing 100871, Peoples R China
[21] Univ Colorado, Inst Behav Genet, Boulder, CO 80309 USA
[22] Univ Hosp Leuven, Ctr Human Genet, Leuven, Belgium
[23] Ghent Univ Hosp, Dept Obstet & Gynaecol, Ghent, Belgium
[24] Icahn Sch Med Mt Sinai, Mindich Child Hlth & Dev Inst, Charles Bronfman Inst Personal Med, New York, NY 10029 USA
[25] UCL, Inst Epidemiol & Hlth Care, Dept Epidemiol & Publ Hlth, Hlth Behav Res Ctr, London, England
[26] Kings Coll London, MRC Social Genet & Dev Psychiat Ctr, Inst Psychiat Psychol & Neurosci, London WC2R 2LS, England
[27] Univ London, Dept Psychol, London, England
[28] Sun Yat Sen Univ, Zhongshan Ophthalm Ctr, State Key Lab Ophthalmol, Guangzhou, Peoples R China
[29] Univ Melbourne, Ctr Eye Res Australia, Melbourne, Vic, Australia
[30] INDEPTH Network, Bandim Hlth Project, Bissau, Guinea Bissau
[31] Statens Serum Inst, Res Ctr Vitamins & Vaccines, DK-2300 Copenhagen, Denmark
[32] Odense Univ Hosp, Dept Endocrinol, DK-5000 Odense, Denmark
[33] Odense Univ Hosp, Dept Infect Dis, DK-5000 Odense, Denmark
[34] Semmelweis Univ, Dept Radiat Oncol, H-1085 Budapest, Hungary
[35] Hungarian Twin Registry, Budapest, Hungary
[36] Hebrew Univ Jerusalem, Jerusalem, Israel
[37] Hebrew Univ Jerusalem, Sch Med, Hadassah Hosp Obstet, Jerusalem, Israel
[38] Hebrew Univ Jerusalem, Sch Med, Dept Gynecol, Jerusalem, Israel
[39] Michigan State Univ, E Lansing, MI 48824 USA
[40] Virginia Commonwealth Univ, Dept Human Mol Genet, Virginia Inst Psychiat & Behav Genet, Richmond, VA USA
[41] Virginia Commonwealth Univ, Dept Human Mol Genet, Psychiat & Massey Canc Ctr, Richmond, VA USA
[42] Univ Minnesota, Dept Psychol, Minneapolis, MN USA
[43] Univ So Calif, Dept Psychol, Los Angeles, CA 90089 USA
[44] Natl Acad Sci, Inst Med, Washington, DC 20418 USA
[45] Vrije Univ Amsterdam, Dept Biol Psychol, Amsterdam, Netherlands
[46] Royal Childrens Hosp, Murdoch Childrens Res Inst, Flemington Rd, Parkville, Vic 3052, Australia
[47] Univ Melbourne, Dept Paediat, Parkville, Vic 3052, Australia
[48] Univ Ottawa, Sch Epidemiol Publ Hlth & Prevent Med, Ottawa, ON, Canada
[49] Univ Laval, Ecole Psychol, Quebec City, PQ, Canada
[50] Tomsk State Univ, Inst Genet Neurobiol & Social Fdn Child Dev, Tomsk, Russia