1. Division of Gastroenterology, Department of Medicine, Albert Szent-Györgyi Medical School, University of Szeged , Szeged , Hungary
2. Department for Medical Communication and Translation Studies, Albert Szent-Györgyi Medical School, University of Szeged , Szeged , Hungary
3. Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine, School of Health Sciences, University of Ioannina , Ioannina , Greece
4. Gastroenterology Department, General Hospital of Athens G. Gennimatas , Athens , Greece
5. Department of Medical Sciences, University of Turin , Turin , Italy
6. Department of Gastroenterology and Hepatology, Copenhagen University Hospital - Herlev and Gentofte , Herlev , Denmark
7. Gastrounit, Copenhagen University Hospital - Amager and Hvidovre , Hvidovre , Denmark
8. Division of Gastroenterology, Rabin Medical Center , Petah Tikva , Israel
9. IBD Unit/Gastroenterology Unit, Rho Hospital, ASST Rhodense , Rho , Italy
10. IBD Unit Department, Clinical Medicine and Surgery, Azienda Ospedaliera Universitaria Federico II of Naples , Naples , Italy
11. Digestive Diseases Institute, Shaare Zedek Medical Center, Hebrew University of Jerusalem , Jerusalem , Israel
12. IBD Center, Centro Malattie Apparato Digerente, Unità Operativa Complessa di Medicina Interna e Gastroenterologia, Dipartimento di Scienze Mediche e Chirurgiche, Fondazione Policlinico Universitario A. Gemelli IRCCS , Rome , Italy
13. IBD Center, IRCCS Humanitas Research Hospital , Rozzano , Italy
14. Department of Biomedical Sciences, Humanitas University , Pieve Emanuele , Italy
15. Department of Surgery, Oncology and Gastroenterology, University of Padua , Padua , Italy
16. Gastroenterology Unit, Azienda Ospedale Università di Padova , Padua , Italy
17. IVth Medical Department, Charles University in Prague , Prague , Czech Republic
18. Irkutsk Scientific Center of Surgery and Traumatology , Irkutsk , Russia
19. Department of Gastroenterology with IBD , Unit of Clinical Hospital No. 2 im. Sw. Jadwigi Królowej, Rzeszow , Poland
20. Department of Gastroenterology, Lyon-Sud Hospital, Hospices Civils de Lyon , Lyon , France
21. Centre International de Recherche et Infectologie, INSERM U1111 , Lyon , France
22. Department of Gastroenterology and Hepatology, University Hospital Centre Zagreb , Zagreb , Croatia
23. Department of Nutrition, School of Medicine, University of Zagreb , Zagreb , Croatia
24. Department of Gastroenterology, Military Hospital Medical Centre, State Health Centre , Budapest , Hungary
25. Division of Gastroenterology, First Department of Medicine, Medical School, University of Pécs , Pécs , Hungary
26. Institute for Translational Medicine, Medical School, University of Pécs , Pécs , Hungary
27. Department of Gastroenterology, University Medical Centre Ljubljana , Ljubljana , Slovenia
28. Department of Gastroenterology, University Medical Centre Ljubljana, Medical Faculty, University of Ljubljana , Ljubljana , Slovenia
29. Moscow Clinical Scientific Center named after A. S. Loginov , Moscow , Russia
30. Research Institute of Health Organization and Medical Management , Moscow , Russia
31. Department of Gastroenterology, Pennine Acute Hospitals NHS Trust , Manchester , United Kingdom
32. Division of Gastroenterology, McGill University Health Centre , Montreal, Quebec , Canada
33. Gastroenterology and Hepatology Unit, Division of Internal Medicine, Faculty of Medicine, Prince of Songkla University , Songkhla , Thailand
34. Department of Internal Medicine and Oncology, Semmelweis University , Budapest , Hungary
35. National Medical Research Сenter of Coloproctology named after A. N. Ryzhykh , Moscow , Russia
36. Department of Gastroenterology and Liver Diseases, Tel Aviv Medical Center, Sackler Faculty of Medicine, Tel Aviv University , Tel Aviv , Israel
37. Department of Medical Physics and Informatics, Albert Szent-Györgyi Medical School University of Szeged , Szeged , Hungary