1. Department of Medical and Surgical Sciences University of Bologna Bologna Italy
2. Centre for Chronic Intestinal Failure—Clinical Nutrition and Metabolism Unit, IRCCS AOUBO Bologna Italy
3. Division of Gastroenterology, Department of Medicine Toronto General Hospital Toronto ON Canada
4. Service de Gastro‐entérologie, MICI et Assistance Nutritive Université de Paris, Hôpital Beaujon, Centre de Référence des Maladies Digestives Rares, Assistance Publique‐Hôpitaux de Paris Clichy France
5. Takeda Pharmaceuticals International AG Zurich Switzerland
6. Department of Internal Medicine and Gastroenterology Asklepios Klinik St. Georg Hamburg Germany
7. Department of Hepatology and Gastroenterology Campus Virchow Klinikum and Charité Mitte Berlin Germany