[1] Univ Manitoba, Coll Pharm, Winnipeg, MB, Canada
[2] St Michaels Hosp, Appl Hlth Res Ctr, Toronto, ON M5B 1W8, Canada
[3] Inst Clin Evaluat Sci, Toronto, ON, Canada
[4] St Michaels Hosp, Li Ka Shing Knowledge Inst, Toronto, ON M5B 1W8, Canada
[5] Univ Toronto, Inst Hlth Policy Management & Evaluat, Toronto, ON, Canada
[6] Univ Toronto, Leslie Dan Fac Pharm, Toronto, ON, Canada
[7] Sunnybrook Res Inst, Schulich Heart Res Program, Toronto, ON, Canada
[8] Ontario Drug Policy Res Network, Toronto, ON, Canada
[9] Univ Toronto, Dept Med, Toronto, ON, Canada
[10] Univ Toronto, Dept Pediat, Toronto, ON, Canada
[11] Sunnybrook, Div Gen Internal Med, Toronto, ON, Canada
[12] Sunnybrook, Div Clin Pharmacol, Toronto, ON, Canada
[13] Hosp Sick Children, Ontario Poison Informat Ctr, Toronto, ON M5G 1X8, Canada
[14] Univ Manitoba, Dept Community Hlth Sci, Manitoba Ctr Hlth Policy, Winnipeg, MB R3T 2N2, Canada