[1] Hosp Sick Children, Dept Psychiat, Toronto, ON, Canada
[2] McMaster Univ, Dept Behav Neurosci & Psychiat, Hamilton, ON, Canada
[3] Hosp Sick Children, Child Hlth Evaluat Sci Program, Toronto, ON, Canada
[4] Univ Basel, Univ Psychiat Clin Basel, Basel, Switzerland
[5] Hosp Sick Children, Dept Psychiat, Toronto, ON, Canada
[6] Univ Toronto, Dept Psychiat, Fac Med, Toronto, ON, Canada
[7] Holland Bloorview Kids Rehabil Hosp, Autism Res Ctr, Toronto, ON, Canada
[8] Hosp Sick Children, Dept Psychiat, Toronto, ON, Canada
[9] Queens Univ, Dept Psychol, Kingston, ON, Canada
[10] Univ Toronto, Dept Pediat, Fac Med, Toronto, ON, Canada
[11] Unity Hlth Toronto, Li Ka Shing Knowledge Inst, MAP Ctr Urban Hlth Solut, Toronto, ON, Canada
[12] Univ Calgary, Cumming Sch Med, Mathison Ctr Mental Hlth Res Educ, Calgary, AB, Canada
[13] Univ Calgary, Cumming Sch Med, Dept Psychiat & Med Genet, Calgary, AB, Canada
[14] Univ Western Ontario, Dept Psychiat, London, ON, Canada
[15] Hosp Sick Children, Div Paediat Med, Toronto, ON, Canada
[16] Hosp Sick Children, Child Hlth Evaluat Sci, Toronto, ON, Canada
[17] Univ Toronto, Dept Psychiat, Fac Med, Toronto, ON, Canada