1. Hvidovre Hospital – Gastro Unit, Hvidovre, Denmark
2. University of Copenhagen – Department of Clinical Medicine, Copenhagen, Denmark
3. Central Clinic of Augsburg – Gastroenterology, Augsburg, Germany
4. ANU Medical School/Canberra Hospital – Gastroenterology, Garran, Australia
5. Instituto Português de Oncologia – Gastrenterologia, Porto, Portugal
6. Porto Faculty of Medicine – Biostatistics and Medical Informatics, Porto, Portugal
7. Emek Medical Center – Gastroenterology and Hepatology, Afula, Northern Israel
8. European Society of Gastrointestinal Endoscopy – Munich, Germany
9. Hopital Erasme, Université Libre de Bruxelles – Department of GastroenterologyBrussels, Belgium
10. Copenhagen University Hospital Herlev – Gastro Unit, Herlev, Denmark
11. Azienda Ospedaliera Sant'Andrea – Sapienza University of Rome, Digestive and Liver Disease Unit, Rome, Italy
12. University of Nigeria Teaching Hospital – Department of Gastroenterology, Enugu, Nigeria
13. Enugu State University Teaching Hospital – Department of Medicine, Enugu, Nigeria
14. Kwame Nkrumah University of Science and Technology – Department of Medicine, Kumasi, Ghana
15. Kwame Nkrumah University of Science and Technology – Department of Pathology, Kusami, Ghana
16. St. Paul’s Hospital Millenium Medical College – Department of Internal Medicine, Addis Ababa, Addis Ababa, Ethiopia
17. University of Milan, IRCCS Maggiore Policlinico Hospital – Department of Internal Medicine Gastroenterology and Digestive Endoscopy Service, Milan, Italy
18. Edouard Herriot Hospital – Hepatogastroenterology, Lyon, France
19. ONRM Hospital – Gastro, Rome, Italy
20. Dept of transplantation medicine, Oslo University Hospital – Rikshospitalet, Oslo, Norway and Faculty of Medicine, University of Oslo, Norway