1. Digestive Disease Department, Hôpital Edouard Herriot, Lyon, France
2. Digestive Disease Department, St-Luc Hospital, Louvain, Belgium
3. Digestive Disease Department, Institut Paoli Calmette, Marseille, France
4. Pharmacy, Hôpital Edouard Herriot, Lyon, France
5. Inserm U1032, LabTau, Lyon, France