[1] Univ Calif San Francisco, Dept Psychiat, Weill Inst Neurosci, San Francisco, CA USA
[2] Kings Coll London, Inst Psychiat Psychol & Neurosci, London, England
[3] Univ Calif Davis, MIND Inst, Davis, CA 95616 USA
[4] Univ Calif Davis, Dept Psychiat & Behav Sci, Davis, CA 95616 USA
[5] Univ Calif Los Angeles, Grad Sch Educ & Informat Studies, Ctr Autism Res & Treatment, Los Angeles, CA USA
[6] Univ N Carolina, Dept Psychiat, TEACCH Autism Program, Chapel Hill, NC 27515 USA
[7] Rutgers Univ New Brunswick, Dept Applid Smithers Hall, 607 Allison Rd, Piscataway, NJ 08854 USA