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. Department of Gastroenterology and Inserm NGERE U1256, University Hospital of Nancy, University of Lorraine, Vandoeuvre-lès-Nancy, France
4. Department of Gastroenterology, Nancy University Hospital, Vandœuvre-lès-Nancy, France
5. INFINY Institute, Nancy University Hospital, Vandœuvre-lès-Nancy, France
6. FHU-CURE, Nancy University Hospital, Vandœuvre-lès-Nancy, France
7. Groupe Hospitalier privé Ambroise Paré - Hartmann, Paris IBD center, Neuilly sur Seine, France
8. IBD Center, Humanitas Research Hospital - IRCCS, Rozzano, Milan, Italy