1. Department of Gastroenterology, Klinikum Augsburg, Augsburg, Germany
2. Gastro Unit, Division of Endoscopy, Copenhagen University Hospital Hvidovre, Copenhagen, Denmark
3. Endoscopy, Oslo University Hospital – Rikshospitalet, Oslo, Norway
4. CIDES/CINTESIS, Faculty of Medicine, University of Porto, Porto, Portugal
5. Department of Gastroenterology and Hepatology, Erasmus Medical Centre Rotterdam
6. Gastroenterology Department, Erasme University Hospital, Brussels, Belgium
7. Department of Gastroenterology, University of Nigeria Teaching Hospital, Ituku-Ozala, Nigeria
8. Department of Medicine, Enugu State University Teaching Hospital, Enugu, Nigeria
9. Department of Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
10. Department of Pathology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
11. Department of Internal Medicine, St. Paul’s Hospital Millenium Medical College, Ethiopia
12. Gastroenterology and Endoscopy, Edouard Herriot Hospital, Lyon, France
13. Endoscopy Unit, Nuovo Regina Margherita Hospital, Rome, Italy