1. Faculty of Medicine, Department of Rehabilitation Science, University of Toronto, 500 University Avenue, Suite 160, Toronto, ON M5T 1W5, Canada.
2. Institute for Clinical Evaluative Sciences (ICES), G1 06, 2075 Bayview Avenue, Toronto, ON M4N 3M5, Canada.
3. Department of Health Policy, Management and Evaluation, University of Toronto, 155 College St., Suite 425, Toronto, ON M5T 3M6, Canada.
4. Sunnybrook Health Sciences Centre, 2075 Bayview Ave., Toronto, ON M4N 3M5, Canada.
5. Cardiac Rehabilitation and Secondary Prevention Program, Toronto Rehabilitation Institute, 347 Rumsey Road, Toronto, ON M4G 1R7, Canada.