Christopher M. Schlachta BSc, MDCM, FRCSC, FACSProfessor, Department of Surgery and Department of OncologySchulich School of Medicine and Dentistry, Western UniversityLondon Health Sciences Centre, University Hospital339 Windermere Road, London, Canada, N6A 5A5Patricia Sylla MD, FACS, FASCRSAssistant Professor, Department of Surgery, Division of Colorectal SurgeryMount Sinai School of Medicine5 East 98th StreetNew York, NY 10029