Marc Bardou1,2, Alan N Barkun3. 1. CIC 1432 & Gastroenterology Department, CHU Dijon-Bourgogne, Dijon, France. 2. Université Bourgogne Franche-Comté, UFR des Sciences Santé, Dijon, France. 3. Division of Gastroenterology, Montreal General Hospital Site, The McGill University Health Centre, McGill University, Montreal, QC, Canada.