1. Gastroenterology Department, University of Navarra Clinic-IdiSNA, Pamplona, Spain
2. Hôpital de Bicêtre, Department of Gastroenterology, Assistance Publique-Hôpitaux de Paris, and Université Paris Saclay, Le Kremlin-Bicêtre, France
3. Department of Gastroenterology and Hepatology, University Hospitals Leuven/KU, Leuven, Belgium
4. Department Medical Gastroenterology, Hospital Southwest Denmark; Department of Regional Health Research, University of Southern, Esbjerg, Denmark
5. Unit of Gastrointestinal, Medtronic Belgium, Jette, Belgium
6. Academic Department of Gastroenterology, Sheffield Teaching Hospitals and University of Sheffield, Sheffield, UK
7. Gastroenterology Department, University Hospital Bucharest, Carol Davila University of Medicine, Bucharest, Romania
8. Pediatric Gastroenterology and Liver Unit, Maternal and Child Health Department, Sapienza – University of Rome, Rome, Italy