1. Department of GastroenterologyGloucestershire Hospitals NHS Foundation TrustGloucestershireUK
2. University of Balamand Faculty of MedicineSt. George Hospital University Medical CenterBeirutLebanon
3. Department of TransplantationOslo University Hospital and Institute of Clinical MedicineUniversity of OsloNorway
4. Thamar UniversityMedical College, DhamarHadramout UniversityMedical CollegeMukallaYemen
5. Dept. of Gastroenterology EndoscopyAcademic Medical Centre AmsterdamAmsterdamThe Netherlands
6. Hepato-Gastroenterology departmentCHU Saint-PierreUniversité libre de BruxellesBrusselsBelgium
7. University Hospital OlomoucFaculty of MedicinePalacky UniversityOlomoucCzech Republic
8. Faculty of MedicineCharles UniversityHradec KraloveCzech Republic
9. Department of GastroenterologyIstanbul Bilim University Medical SchoolIstanbulTurkey
10. Unidad de Endoscopia DigestivaHospital Clinico Universitario Virgen de la ArrixacaMurciaSpain
11. GI Endoscopy UnitUniversity Hospital Centre ZagrebZagrebCroatia
12. Department of Gastroenterology and HepatologyCatharina HospitalEindhovenThe Netherlands
13. Department of GastroenterologyNew Cross HospitalWolverhamptonUK
14. CPO PiemonteAOU Città della Salute e della ScienzaTurinItaly
15. Office of Research and InnovationRoyal College of Surgeons in IrelandColáiste Ríoga na Máinleá in ÉirinnDublinIreland
16. Clinical Effectiveness Research GroupUniversity of Oslo and Oslo University HospitalOsloNorway
17. Servicio de GastroenterologiaInstituto Portugues de Oncologia Francisco GentilPortoPortugal
18. Department of Medicine IJosephs-Hospital WarendorfAcademic Teaching HospitalUniversity of MuensterWarendorfGermany
19. Endoscopy UnitNuovo Regina Margherita HospitalRomeItaly
20. Department of Gastroenterology, Hepatology and OncologyMedical Center for Postgraduate Education and Department of Gastroenterological OncologyDepartment of Cancer PreventionThe Maria Sklodowska-Curie Memorial Cancer CenterInstitute of OncologyWarsawPoland
21. Department of Health Management and Health EconomicsUniversity of OsloNorway
22. Northern Institute for Cancer ResearchNewcastle UniversityNewcastleUK
23. Digestive Endoscopy and Gastroenterology UnitPoliambulanza FoundationBrescia
24. Digestive Endoscopy UnitFondazione Policlinico Universitario Agostino Gemelli - IRCCSCatholic UniversityRomeItaly
25. Department of Gastroenterology and HepatologyUniversity Hospital LeuvenLeuvenBelgium
26. Department of GastroenterologyUniversity Hospital of North TeesStockton-on-TeesClevelandUK