1. Department of Endoscopy and Gastroenterology, Pavillon L, Edouard Herriot Hospital, Lyon, France
2. Department of Gastroenterology, Sestre Milosrdnice University Hospital, University of Zagreb School of Medicine, Zagreb, Croatia
3. Department of Digestive Surgery, Edouard Herriot Hospital, Lyon, France
4. Inserm U1032 LabTau, Lyon, France