1. Public Health Agency of Canada, Ottawa, Ontario, Canada
2. Department of Internal Medicine (Neurology) and Department of Community Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
3. Health Analysis Division, Statistics Canada, Ottawa, Ontario, Canada
4. Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
5. University of Ottawa, Ottawa, Ontario, Canada
6. Bruyère Research Institute, Ottawa, Ontario, Canada
7. School of Public and Population Health, University of Ottawa, Ottawa, Ontario, Canada
8. Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
9. Department of Family and Community Medicine, Department of Medicine and Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
10. Toronto Western Hospital Family Health Team, University Health Network, Toronto, Ontario, Canada
11. Population Health Surveillance and Clinical Prevention, British Columbia Ministry of Health, Victoria, British Columbia, Canada