[1] Univ Calif San Francisco, Weill Inst Neurosci, Dept Psychiat & Behav Sci, San Francisco, CA 94143 USA
[2] Northwestern Univ, Feinberg Sch Med, Chicago, IL 60611 USA
[3] NIMH, Neurodev & Behav Phenotyping Serv, Bethesda, MD 20892 USA
[4] Univ Minnesota, Dept Pediat, Masonic Inst Developing Brain, Minneapolis, MN 55455 USA
[5] Weill Cornell Med Coll, Ctr Autism & Developing Brain, White Plains, NY USA
[6] McMaster Univ, Hamilton, ON, Canada
[7] Offord Ctr Child Studies, Hamilton, ON, Canada
[8] Univ Minnesota, Masonic Inst Developing Brain, Minneapolis, MN USA
[9] Univ Calif Los Angeles, David Geffen Sch Med, Ctr Autism Res & Treatment, UCLA Semel Inst Neurosci & Human Behav, Los Angeles, CA 90095 USA