1. INSERM U954 and Department of Hepato-Gastroenterology, University Hospital of Nancy, Université Henri Poincaré 1, Vandoeuvre-lès-Nancy, France
2. Department of Gastroenterology, University Hospital Gasthuisberg, Herestraat 49, B3000 Leuven, Belgium
3. Department of Gastroenterology, Hospital of São João, Porto Portugal, Institute of Pharmacology and Therapeutics, Faculty of Medicine, University of Porto, Portugal
4. Department of Gastroenterology, Central Manchester University Hospitals NHS Trust, Oxford Road, Manchester, UK
5. Laboratoire de gastro-entérologie expérimentale L'Université libre de Bruxelles, Campus Erasme1070 Bruxelles, Belgium
6. Department Gastroenterology and Hepatology, University Medical Center Utrecht, Utrecht, The Netherlands
7. Department of Internal Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden
8. Department of Gastroenterology-Surgery-Oncology, “L. Sacco” University Hospital, University of Milan, Milan, Italy
9. Pediatric Gastroenterology and Nutrition, UZ Brussels, Belgium
10. Department of Gastroenterology Saint-Louis Hospital, APHP, Université Paris-Diderot, Paris, France
11. Department of Gastroenterology, Istituto Clinico Humanitas, Rozzano, Milan, Italy
12. Division of Gastroenterology and Hepatology, Campus Virchow Clinic, Charité - Universitätsmedizin Berlin, Germany