[1] St Michaels Hosp, Ctr Res Inner City Hlth, Keenan Res Ctr, Li Ka Shing Knowledge Inst, Toronto, ON M5B 1W8, Canada
[2] Univ Toronto, Dept Med, Toronto, ON M5S 1A1, Canada
[3] Univ Toronto, Inst Hlth Policy Management & Evaluat, Toronto, ON M5S 1A1, Canada
[4] St Michaels Hosp, Div Gen Internal Med, Toronto, ON M5B 1W8, Canada
[5] Toronto Hlth Econ & Technol Assessment Collaborat, Toronto, ON, Canada
[6] Univ Toronto, Leslie Dan Fac Pharm, Toronto, ON M5S 1A1, Canada
[7] Univ Hlth Network, Toronto, ON, Canada