1. Digestive Physiology, Hospices Civils de Lyon, Hôpital Edouard Herriot, Lyon, France
2. Digestive Physiology, Université de Lyon 1, Lyon, France
3. Department of Endoscopy and Gastroenterology, Pavillon L, Hôpital Edouard Herriot, Lyon, France
4. Inserm U1032, LabTAU, Lyon, France