1. Department of Gastroenterology, Nordsjællands Hospital, University of Copenhagen, Frederikssund, Denmark
2. Department of Gastroenterology, University Hospital of Ioannina, Ioannina, Greece
3. Department of Gastroenterology, Centro Hospitalar de São João EPE, Porto, Portugal
4. Department of Biomedicine, Institute of Pharmacology, Faculty of Medicine of Porto University, Porto, Portugal
5. Gastroenterology Department, Slagelse Hospital, Slagelse, Denmark
6. Gastroenterology Department, Odense University Hospital, Odense, Denmark
7. First Department of Medicine, Semmelweis University, Budapest, Hungary
8. Division of Gastroenterology, McGill University Health Center, Montreal, QC, Canada
9. Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
10. Gastroenterology Unit, Epimad Registry, CHU Amiens Sud, Amiens University Hospital, Amiens, France
11. Public Health, Epidemiology and Economic Health, Registre Epimad, Lille University and Hospital, Lille, France
12. Lille Inflammation Research International Center LIRIC, Lille University, Lille, France
13. Division of Gastroenterology and Hepatology, University Hospital Center Zagreb, Zagreb, Croatia
14. School of Medicine, University of Zagreb, Zagreb, Croatia
15. Department of Gastroenterology, Moscow Regional Research Clinical Institute, Moscow, Russian Federation
16. IBD Unit, Hull and East Yorkshire NHS Trust, Hull, UK
17. Institute for Digestive Research, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
18. Department of Gastroenterology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
19. Department of Gastroenterology and Hepatology, Soroka Medical Center and Ben Gurion University of the Negev, Beer Sheva, Israel
20. American Gastroenterology Center, Nicosia, Cyprus
21. U.O. Gastroenterologia ed Endoscopia digestiva, Hospital Morgagni Pierantoni, Forlì, Italy
22. Department of Surgical, Oncological and Gastroenterological Sciences, Azienda, University of Padua, Padova, Italy
23. Division of Gastroenterology, Tartu University Hospital, University of Tartu, Tartu, Estonia
24. Division of Gastroenterology, Mater Dei Hospital, Msida, Malta
25. IBD Clinical and Research Centre, ISCARE, Prague, Czech Republic
26. Institute of Pharmacology, First Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
27. Clinic of Gastroenterology, University of Medicine ‘Victor Babes’, Timisoara, Romania
28. Department of Medicine, Herning Central Hospital, Herning, Denmark
29. Department of Gastroenterology, State University of Medicine and Pharmacy of the Republic of Moldova, Chisinau, Republic of Moldova
30. Medical Department, National Hospital of the Faroe Islands, Torshavn, Faroe Islands
31. Medical Department, Regional Hospital of Viborg, Viborg, Denmark
32. Focused Research Unit for Molecular Diagnostic and Clinical Research [MOK], IRS-Center Sonderjylland, Hospital of Southern Jutland, Aabenraa, Denmark
33. Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
34. IBD Department, St Mark’s Hospital, London, UK
35. Department of Gastroenterology and Alimentary Tract Surgery, Tampere University Hospital, Tampere, Finland
36. University of Tampere, Tampere, Finland
37. Department of Gastroenterology. Hospital Alvaro Cunqueiro, Instituto Investigación Sanitaria Galicia Sur, EOXI de Vigo, Vigo, Spain
38. Department of Gastroenterology, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark