[1] Univ Hlth Network, Hlth Care & Outcomes Res, Toronto, ON, Canada
[2] McMaster Univ, Dept Pediat, Hamilton, ON, Canada
[3] McMaster Univ, Dept Psychiat & Behav Neurosci, Hamilton, ON, Canada
[4] McMaster Univ, CanChild Ctr Childhood Disabil Res, Hamilton, ON, Canada
[5] McMaster Univ, Offord Ctr Child Studies, Hamilton, ON, Canada
[6] Univ Toronto, Inst Hlth Policy Management & Evaluat, Toronto, ON M5S 1A1, Canada
[7] Univ Toronto, Grad Dept Rehabil Sci, Toronto, ON M5S 1A1, Canada
[8] Univ Toronto, Dept Psychiat, Toronto, ON M5S 1A1, Canada
[9] McGill Univ, Sch Social Work, Montreal, PQ, Canada