1. Division of General Surgery, McMaster University, Hamilton, Canada
2. ICES, Toronto, Canada
3. Institute of Health Policy, Management, and Evaluation, University of Toronto, Toronto, Canada
4. Population Health Research Institute, Hamilton, Canada
5. Department of Medicine, McMaster University, Hamilton, Canada
6. Department of Medicine, University of Toronto, Toronto, Canada
7. Sunnybrook Research Institute, Toronto, Canada
8. Programs for Assessment of Technology in Health Research Institute, St Joseph’s Healthcare, McMaster University, Hamilton, Canada
9. Department of Clinical Epidemiology and Biostatistics, Faculty of Health Sciences, McMaster University, Hamilton, Canada