[1] Univ Toronto, Dept Psychiat, Toronto, ON, Canada
[2] Hosp Sick Children, Toronto, ON M5G 1X8, Canada
[3] Ctr Addict & Mental Hlth, Toronto, ON, Canada
[4] Queens Univ, Sch Rehabil, Kingston, ON, Canada
[5] Ryerson Univ, Sch Nursing, Toronto, ON, Canada
[6] Univ Toronto, Toronto, ON, Canada
[7] Univ Toronto, Inst Med Sci, Toronto, ON M5S 1A1, Canada