[1] SUNY Albany, Sch Publ Hlth, Dept Hlth Policy Management & Behav, Rensselaer, NY 12144 USA
[2] Univ Toronto, Inst Clin Evaluat Sci, Toronto, ON, Canada
[3] Univ Toronto, Sunnybrook Hlth Sci Ctr, Schulich Heart Ctr, Toronto, ON, Canada
[4] Univ Toronto, Dept Med, Toronto, ON, Canada
[5] St Michaels Hosp, Div Cardiol, Li Ka Shing Knowledge Inst, Toronto, ON M5B 1W8, Canada
[6] Southlake Reg Hlth Ctr, Newmarket, ON, Canada