1. Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, Ontario, Canada
2. Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
3. Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
4. Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada
5. Department of Orthopaedic Surgery, University of Pittsburgh Medical Centre, Pittsburgh, Pennsylvania