[1] University of Toronto,Division of General Surgery, Department of Surgery
[2] University of Toronto,Institute of Health Policy, Management, and Evaluation, Dalla Lana School of Public Health
[3] ICES,Division of Vascular Surgery, St. Michael’s Hospital
[4] University of Toronto,Division of General Surgery
[5] Sunnybrook Health Sciences Centre,Division of Urology, Department of Surgery
[6] University of Ottawa,Clinical Epidemiology
[7] The Ottawa Hospital Research Institute,Division of Thoracic Surgery, Department of Surgery
[8] McMaster University,Division of Oncology
[9] Saskatchewan Cancer Agency,Division of General Surgery, Department of Surgery
[10] Western University,Juravinski Cancer Centre
[11] McMaster University,Divisions of Urology and Surgical Oncology, Departments of Surgery and Oncology
[12] Western University,undefined
[13] Sunnybrook Health Sciences Centre,undefined