[1] Hosp Sick Children, Dept Pharm, Toronto, ON, Canada
[2] Univ Toronto, Leslie Dan Fac Pharm, Toronto, ON, Canada
[3] Hosp Sick Children, Dept Psychiat, Toronto, ON, Canada
[4] Univ Toronto, Temerty Fac Med, Dept Psychiat, Div Child & Youth Mental Hlth, Toronto, ON, Canada
[5] Hosp Sick Children, Div Adolescent Med, Toronto, ON, Canada
[6] Ctr Addict & Mental Hlth, Nicotine Dependence Clin, Toronto, ON, Canada