From the School of Epidemiology, Public Health, and Preventive Medicine (A.T., M.T.), University of Ottawa; Division of General Surgery (A.T., M.M., J.L.), the Ottawa Hospital, Ottawa, Ontario, Canada; Department of Medical Statistics and Bioinformatics (E.W.S.), Leiden University Medical Center, Leiden, the Netherlands; Clinical Epidemiology Program (M.T., C.V.), Ottawa Hospital Research Institute; Department of Emergency Medicine (C.V.), University of Ottawa, Ottawa, Ontario, Canada.
Submitted: July 9, 2017, Revised: September 15, 2017, Accepted: November 26, 2017, Published online: December 15, 2017.
Address for reprints: Alexandre Tran, MD, Division of General Surgery, the Ottawa Hospital, Ottawa Ontario, Canada; email: [email protected].