1. Gastroenterology and Endoscopy, IRCCS Ospedale San Raffaele and Vita-Salute San Raffaele University, Milan, Italy
2. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
3. Division of Gastroenterology, Department of Medicine, Western University, London, Ontario, Canada
4. Ferring International Center S.A, Saint-Prex, Switzerland
5. Department of Gastroenterology, Nancy University Hospital, Nancy, France
6. INSERM, NGERE, University of Lorraine, Nancy, France
7. INFINY Institute, Nancy University Hospital, Nancy, France
8. FHU-CURE, Nancy University Hospital, Nancy, France
9. Groupe Hospitalier privé Ambroise Paré - Hartmann, Paris IBD center, Neuilly sur Seine, France