[1] Univ Toronto, St Michaels Hosp, Dept Med, Div Neurol,Stroke Res Unit, Toronto, ON M5C 1R6, Canada
[2] Univ Toronto, Li Ka Shing Knowledge Translat Inst, Toronto, ON M5C 1R6, Canada
[3] Univ Toronto, Dept Hlth Policy Management & Evaluat, Toronto, ON M5C 1R6, Canada
[4] Univ Hlth Network, Dept Med, Div Gen Internal Med & Clin Epidemiol, Toronto, ON, Canada
[5] Univ Hlth Network, Womens Hlth Program, Toronto, ON, Canada