[1] Univ Calif Los Angeles, Ctr Neurobehav Genet, Semel Inst Neurosci & Human Behav, Los Angeles, CA 90095 USA
[2] Univ Calif Los Angeles, Dept Human Genet, Los Angeles, CA 90095 USA
[3] Univ London Imperial Coll Sci Technol & Med, Dept Epidemiol & Publ Hlth, London, England
[4] Univ Oulu, Clin Child Psychiat, Oulu, Finland
[5] Univ Calif Los Angeles, Div Child & Adolescent Psychiat, Semel Inst Neurosci & Human Behav, Los Angeles, CA 90095 USA
[6] Wellcome Trust Sanger Inst, Cambridge, England
[7] Univ Helsinki, Inst Mol Med Finland, Helsinki, Finland
[8] Natl Publ Hlth Inst, Helsinki, Finland
[9] Broad Inst, Cambridge, MA USA