1. Ambroise Paré Clinic, Toulouse, France
2. Department of Gastroenterology, Saint Eloi Hospital, University of Montpellier, Montpellier, France
3. Department of Gastroenterology and Inserm NGERE U1256, Nancy University Hospital, University of Lorraine, Vandoeuvre-lès-Nancy, France
4. Department of Gastroenterology, Toulouse University Hospital, Toulouse, France
5. Department of Gastroenterology, Grand-Sud Polyclinic, Nîmes, France
6. Department of Hepato-Gastroenterology, Pasteur Clinic, Toulouse, France
7. Palais Clinic, Grasse, France