[1] Ctr Res Environm Epidemiol, Barcelona, Catalonia, Spain
[2] Fundacio Pasqual Maragall, Plataforma Neuroimatge, Barcelona, Catalonia, Spain
[3] Univ Toronto, Dept Psychol, Rotman Res Inst, Toronto, ON M5S 1A1, Canada
[4] Univ Toronto, Dept Psychiat, Rotman Res Inst, Toronto, ON, Canada
[5] Univ Montreal, Dept Psychol, Ctr Rech Neuropsychol & Cognit, CP 6128, Montreal, PQ H3C 3J7, Canada
[6] Child Mind Inst, New York, NY USA
[7] Harvard Univ, Sch Med, Dept Psychiat, Boston, MA 02115 USA
[8] Boston Childrens Hosp, Boston, MA USA
[9] Harvard Univ, Sch Publ Hlth, Dept Environm Hlth, Boston, MA 02115 USA
[10] Univ Calif Berkeley, Sch Publ Hlth, CERCH, Berkeley, CA 94720 USA
[11] Univ Calif Los Angeles, Sch Publ Hlth, Dept Epidemiol, Los Angeles, CA 90024 USA
[12] Erasmus MC, Dept Psychiat, Rotterdam, Netherlands
[13] Sophia Childrens Univ Hosp, Erasmus MC, Dept Child & Adolescent Psychiatry Psychol, Rotterdam, Netherlands
[14] Univ Med Ctr Utrecht, Brain Ctr Rudolf Magnus, Dept Psychiat, Utrecht, Netherlands
[15] London Sch Hyg & Trop Med, London WC1, England
[16] Univ London Imperial Coll Sci Technol & Med, Unit Child & Adolescent Psychiat, London, England
[17] Kings Coll London, Inst Psychiat Psychol & Neurosci, SGDP Ctr, London WC2R 2LS, England