[1] Univ Geneva, Fac Med, Dept Psychiat, CH-1205 Geneva, Switzerland
[2] UCL, Great Ormond St Inst Child Hlth, London WC1N 1EH, England
[3] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Biostat & Hlth Informat, London SE5 8AB, England
[4] Kings Coll London, Inst Psychiat Psychol & Neurosci, Social Genet & Dev Psychiat Ctr, London SE5 8AF, England
[5] South London & Maudsley Hosp, Biomed Res Ctr, UK Natl Inst Hlth Res NIHR, London SE5 8AF, England
[6] Karolinska Inst, Dept Med Epidemiol & Biostat, SE-17177 Stockholm, Sweden
[7] Univ Bristol, Med Res Council Integrat Epidemiol, Bristol BS8 2BN, Avon, England
[8] Univ Bristol, Bristol Med Sch, Populat Hlth Sci, Bristol BS8 2PS, Avon, England
[9] Icahn Sch Med Mt Sinai, Mindich Child Hlth & Dev Inst, Charles Bronfman Inst Personalized Med, New York, NY 10029 USA
[10] Maudsley Hosp & Inst Psychiat, Maudsley Ctr Child & Adolescent Eating Disorders, Michael Rutter Ctr Children & Young People, London SE5 8AZ, England
[11] Univ North Carolina Chapel Hill, Dept Psychiat, Chapel Hill, NC 27599 USA
[12] Univ North Carolina Chapel Hill, Dept Nutr, Chapel Hill, NC 27599 USA
[13] Univ Geneva, Dept Pediat Gynecol & Obstet, CH-1205 Geneva, Switzerland