1. Department of Gastroenterology and Hepatology University Hospitals Leuven Leuven Belgium
2. Division of Gastroenterology Rabin Medical Center Beilinson Hospital Petach Tikwa, Israel and Sackler Faculty of Medicine Tel Aviv University Tel Aviv Israel
3. University of Medicine and Pharmacy Gr T Popa Iasi and University Hospital St Spiridon Iasi Romania
4. Department of Gastroenterology and Hepatology Wroclaw Medical University Wroclaw Poland
5. Digestive System Research Unit. University Hospital Vall d'Hebron. Centro de Investigación Biomédica en Red de enfermedades hepáticas y digestivas (CIBERehd). Barcelona Spain
6. Department of Internal Medicine VI: Psychosomatic Medicine and Psychotherapy University Hospital Tübingen Tübingen Germany
7. Digestive System Research Unit CIBERehd and Departament de Medicina University Hospital Vall d'Hebron Barcelona Spain
8. Department of Medical and Surgical Sciences University of Bologna Bologna Italy
9. Div. Gastroenterology School of Medicine Ege University Izmir Turkey
10. Université de Paris and AP‐HP Hôpital Louis Mourier Paris France
11. NIHR Nottingham Biomedical Research Centre (BRC) Hospitals NHS Trust and the University of Nottingham Nottingham UK
12. Department of Gastroenterology and Hepatology University Hospital Antwerp Antwerp Belgium
13. 2nd Dept. of Internal Medicine Iuliu Hatieganu University of Medicine and Pharmacy Cluj‐Napoca Romania
14. School of Medicine University of Keele Keele Staffordshire UK
15. Physiology Department Rouen University Hospital Rouen France
16. Medical Faculty Rijeka University of Rijeka and department of Gastroenterology Clinical Hospital Centre Rijeka Rijeka Croatia
17. Department of Gastroenterology Haukeland University Hospital Bergen Norway
18. Gastroentrology Unit 2nd departement of Surgery Aretaieio Hospital National and Kapodistrian University of Athens Athens Greece
19. Division of Gastroenterology‐Hepatology Maastricht University Medical Center NUTRIM Maastricht the Netherlands
20. Department of Gastroenterology Euromedik Hospital Belgrade Belgrade Serbia
21. Department of Medicine Trinity College Dublin and National Clinical Lead for Gastroenterology and Hepatology Health Service Executive and Royal College Physicians Ireland Dublin Ireland
22. Private practice Ioannina Greece
23. Division of Gastroenterology and Hepatology University Hospital Zurich Zurich Switzerland
24. I.M. Sechenov First Moscow State Medical University Ministry of Health of the Russian Federation (Sechenov University) Moscow Russia
25. Department of Clinical Medicine and Surgery University of Naples Federico II Naples Italy
26. Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology University of Padua Padua Italy
27. Laboratory of Experimental Medicine and Pediatrics Faculty of Medicine and Health Sciences and Infla‐Med Research Consortium of Excellence University of Antwerp Antwerp Belgium
28. Internal Medicine VI Department of Psychosomatic Medicine and Psychotherapy University Hospital Tübingen Tübingen and Charité Center for Internal Medicine and Dermatology Department for Psychosomatic Medicine Charité‐Universitätsmedizin Berlin Corporate Member of Freie Universität Berlin Humboldt‐Universität zu Berlin and Berlin Institute of Health Berlin Germany
29. Center of Endoscopy, Starnberg Germany and Ludwig‐Maximilians‐University Munich Germany
30. Department of Molecular and Clinical Medicine Institute of Medicine Sahlgrenska Academy Gothenburg Sweden
31. Neurogastroenterology and Pelvic Floor Unit Gastroenterology Department Sheba Medical Center Tel Hashomer Israel
32. Department of Gastroenterology and Hepatology Faculty of Medical Sciences in Katowice Medical University of Silesia Katowice Poland
33. Gastrointestinal Physiology Unit University College London Hospital London UK
34. CHU de Bordeaux Centre Medico‐chirurgical Magellan Hôpital Haut‐Lévêque and Gastroenterology department Université de Bordeaux INSERM CIC 1401 Bordeaux France