1 Department of Medicine School of Physical and Occupational Therapy, McGill University, Montreal, Canada. nancy.mayo@mcgill.ca.
2 Divisions of Clinical Epidemiology, Geriatrics, Experimental Medicine, McGill University Health Center (MUHC), Montreal, Canada. nancy.mayo@mcgill.ca.
3 Center for Outcomes Research and Evaluation (CORE), MUHC-Research Institute, 5252 de Maisonneuve, Montreal, QC, H4A 3S5, Canada. nancy.mayo@mcgill.ca.
4 School of Rehabilitation Therapy, Queen's University, Kingston, ON, Canada.
5 Department of Physical Therapy, College of Rehabilitation Sciences, Rady Faculty of Health Sciences, University of Manitoba, R106-771 McDermot Ave, Winnipeg, MB, R3E 0T6, Canada.
6 Rehabilitation Hospital, RR323A, 800 Sherbrook St, Winnipeg, Canada.
7 Center for Health and Aging, Pasadena, CA, 91106, USA.
8 Department of Public Health & Sports Sciences, Faculty of Health and Life Sciences, University of Exeter Medical School, University of Exeter, Medical School Building, College of Medicine and Health, St Lukes Campus, Heavitree Road, Exeter, EX12LU, UK.
9 Department of Public Health, Erasmus MC University Medical Center Rotterdam, PO Box 2040, 3000 CA, Rotterdam, The Netherlands.
10 Concordia University, Montreal, QC, Canada.
11 Department of Philosophy, McGill University, Leacock Building, Room 933, Montreal, Canada.
12 School of Nursing, UT Health San Antonio, San Antonio, USA.
13 Center for Outcomes Research and Evaluation (CORE), Research Institute of McGill University Health Center, Montreal, Canada.
14 Faculty of Medicine, McGill University, Montreal, Canada.
15 School of Rehabilitation Science, McMaster University, 1400 Main Street West, Hamilton, ON, L8S 1C7, Canada.

No abstract available