1. From Divisions of Vascular Surgery (M.A.H., M.A-O.) and Cardiac Surgery (S.V.), Li Ka Shing Knowledge Institute of St. Michael’s Hospital, Toronto, ON, Canada; Department of Surgery, University of Toronto, ON, Canada (M.A.H., S.V., M.A-O.); King Saud University-Li Ka Shing Collaborative Research Program, Department of Surgery, King Saud University, Riyadh, Kingdom of Saudi Arabia (S.V., M.A-O.); and The Ottawa Hospital, Ottawa, ON, Canada (N.G.).