Paula A Rochon1, Nathan M Stall2, Jerry H Gurwitz3. 1. Women's College Research Institute, Women's College Hospital, Toronto, ON, M5S 1B2, Canada; Department of Medicine and Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada. Electronic address: paula.rochon@wchospital.ca. 2. Women's College Research Institute, Women's College Hospital, Toronto, ON, M5S 1B2, Canada; Department of Medicine and Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada; Division of General Internal Medicine and Geriatrics, Sinai Health System and the University Health Network, Toronto, ON, Canada. 3. Division of Geriatric Medicine and Meyers Primary Care Institute, University of Massachusetts Medical School, Worcester, MA, USA.