1. Departments of Medicine, University of Toronto, Toronto, Ontario, Canada
2. Université Laval, Sainte-Foy, Québec, Canada
3. University of Montréal, Montréal, Québec, Canada
4. University of Saskatchewan, Saskatoon, Saskatchewan, Canada
5. McMaster University, Hamiton, Ontario, Canada
6. Ontario Workers’ Compensation Board, Toronto, Ontario, Canada
7. Ontario Ministry of Labour, Toronto, Ontario, Canada
8. Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada