Affiliation: | 1. Canadian Population Health Initiative, Canadian Institute for Health Information, Toronto, Canada;2. Centre for Research on Inner City Health, Li Ka Shing Knowledge Institute, St. Michael''s Hospital, Toronto, Canada;3. St. Michael''s Hospital Department of Family and Community Medicine, University of Toronto, Toronto, Canada;4. Institute for Clinical Evaluative Sciences, Toronto, Canada;5. Toronto Rehabilitation Institute-University Health Network, Toronto, Canada;6. Institute of Health Policy, Management, and Evaluation, University of Toronto, Canada;7. Department of Physical Therapy, University of Toronto, Canada;8. Department of Medicine, University of Toronto, Toronto, Canada;9. Division of General Internal Medicine, St. Michael''s Hospital, Toronto, Canada |