1. Department of Surgery and Epidemiology & Biostatistics, Western University, London, Ontario, Canada;
2. St Joseph’s Health Care, London, Ontario, Canada;
3. Center for Excellence in Economic Analysis Research (CLEAR), The HUB, Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Toronto, Ontario, Canada;
4. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada;
5. Canadian Center for Applied Research in Cancer Control, Vancouver, British Columbia, Canada;
6. ICORD, Spinal Cord Program, GF Strong Rehabilitation Center, University of British Columbia, Vancouver, British Columbia, Canada;
7. Department of Economics, University of Copenhagen, Denmark;
8. Toronto Western Hospital/Krembil Research Institute, Toronto, Ontario;
9. Department of Surgery, University of Toronto, Toronto, Ontario