1. Riga Stradins University and Gastroenterology Hepatology and Nutrition ClinicRiga East Clinical University HospitalRigaLatvia
2. Clinic of GastroenterologyTsaritsa Yoanna University HospitalMedical University of SofiaSofiaBulgaria
3. Department of Gastroenterology and HepatologyRadboud University Medical CentreNijmegenThe Netherlands
4. Gastroenterology DepartmentHospital de GaldakaoGaldakao (Vizcaya) and Biocruces Bizkaia Health Research InstituteBarakaldo (Vizcaya)Spain
5. Institute for Liver and Digestive HealthDivision of MedicineUniversity College LondonLondonUK
6. Department of GastroenterologyUH Merkur and UHC RijekaCroatia School of MedicineRijekaCroatia
7. Department of SurgeryKlinikum rechts der IsarTechnical University of MunichMunichGermany
8. Department of Gastroenterology and HepatologyStadtspital Waid und TriemliUniversity of ZurichZurich Switzerland
9. Department of Medicine IAgaplesion Markus HospitalGoethe UniversityFrankfurtGermany