1 Division of General Surgery, Odette Cancer Centre-Sunnybrook Health Sciences Centre, Toronto, ON, Canada Department of Surgery, University of Toronto, Toronto, ON, Canada Department of Surgery, CHU de Québec, Québec City, QC, Canada Department of Surgery, Université Laval, Québec City, QC, Canada Department of Surgery, CHU de Québec, Québec City, QC, Canada Department of Surgery, Université Laval, Québec City, QC, Canada.