[1] St Michaels Hosp, Div Gen Internal Med, 30 Bond St, Toronto, ON M6H 2X5, Canada
[2] Univ Toronto, Dept Med, Toronto, ON M5G 2C4, Canada
[3] St Michaels Hosp, Li Ka Shing Knowledge Inst, Knowledge Translat Program, 209 Victoria St, Toronto, ON M5B 1T8, Canada
[4] Maple Leaf Med Clin, Toronto, ON M5G 1K2, Canada
[5] Casey House, Toronto, ON M4Y 1P2, Canada
[6] St Michaels Hosp, Div Geriatr, 30 Bond St, Toronto, ON M6H 2X5, Canada
[7] Univ Toronto, Inst Hlth Policy Management & Evaluat, Toronto, ON M5T 3M6, Canada