1. Department of Gastroenterology and Hepatology Linköping University Hospital School of Medicine Linköping Sweden
2. Department of Internal Medicine Semmelweis Egyetem Budapest Hungary
3. First Department of Medicine Szegedi Egyetem ÁOK I sz. Szeged Hungary
4. Medical Department I KRH Klinikum Siloah Hannover Germany
5. Department of Gastroenterology Institute for Digestive Research Lithuanian University of Health Sciences Kaunas Lithuania
6. Center for Digestive Diseases Internal Medicine Center Eppendorf Hamburg Germany
7. Centre for Interdisciplinary Endoscopy University Hospital Eppendorf Hamburg Germany
8. Division of Gastroenterology Department of Medicine Örebro University Hospital Örebro Sweden
9. Department of Gastroenterology Vrije Universiteit Medical Centre Amsterdam Netherlands
10. Department of Digestive Diseases Hospital Universitario de Bellvitge Barcelona Spain
11. Department of Gastroenterology Hospital San Jorge – University of Zaragoza Huesca Spain
12. Department of Gastroenterology Norrlands Universitetssjukhus Umeå Sweden
13. Institute for Pathology University Hospital Carl Gustav Carus Dresden Germany
14. Clinical Research and Development Department Dr Falk Pharma GmbH Freiburg Germany
15. Department of Gastroenterology Zealand University Hospital Køge Denmark
16. Department of Clinical Medicine University of Copenhagen Copenhagen Denmark