Affiliation: | 1. Department of General Surgery, Joseph Brant Hospital, 390 Brant Street, Suite 405, Burlington, Ontario L7R 4J4, Canada;2. Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, 9500 Euclid Avenue, Desk A-30, Cleveland, OH 44195, USA;1. Division of Colon and Rectal Surgery, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, USA;2. Division of Colon and Rectal Surgery, Mayo Clinic, 4500 San Pablo Road South, Jacksonville, FL 32224, USA |