1. Service d'Hépato-gastroentérologie; Hôpital Haut-Lévêque; CHU de Bordeaux; Pessac; France
2. Department of Gastroenterology and Clinical Nutrition; Faculty of Medicine; University of Nice Sophia Antipolis; University Hospital of Nice; Nice; France
3. Department of Hepato-Gastroenterology; University Hospital of Saint-Etienne; Saint-Etienne; France
4. Department of Gastroenterology; Lyon-Sud Hospital; Hospices Civils de Lyon; Pierre-Bénite; France
5. Inserm U954 and Department of Hepato-Gastroenterology; University Hospital of Nancy-Bra bois; Vandoeuvre-lès-Nancy; France