1. Digestive Endoscopy Unit, Pôle Digestif Paris Bercy, Clinique de Paris-Bercy, Charenton-le-Pont, France;
2. Pathology Unit, 29 rue du Colisée, Paris, France;
3. UMR1246–SPHERE Methods for Patient-centered Outcomes and Health Research, Nantes University, Nantes, France;
4. Gastroenterology Unit, Hôpital Robert Ballanger, Aulnay-sous-Bois, France;
5. Digestive Surgery Unit, Clinique du Vert-Galant, Tremblay-en-France, France;
6. Digestive Endoscopy Unit, Hôpital privé du Val d’Yerres, Yerres, France;
7. Gastroenterology Unit, Hôpital Villeneuve-Saint-Georges, Villeneuve-Saint-Georges, France