1. Methodology Unit, Navarrabiomed, Hospital Universitario de Navarra (HUN), Universidad Pública de Navarra (UPNA), Pamplona, Spain
2. Hépato-gastro-entérologie, Hospital Dupuytren, Limoges, France
3. Hépato-gastro-entérology, Hopital Dupuytren, Limoges, France
4. Gastrointestinal Endoscopy Research Unit, Navarrabiomed, Hospital Universitario de Navarra (HUN), Universidad Pública de Navarra (UPNA), Pamplona, Spain
5. IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
6. Hépato-gastro-entérology, Dupuytren Hospital, Limoges, France
7. Gastroenterology Department, Hospital Universitario de Navarra (HUN), Navarrabiomed, Universidad Pública de Navarra (UPNA), Pamplona, Spain
8. Endoscopy Unit, Edouard Herriot Hospital, Lyon, France
9. Hépato-gastro-entérology, Nancy University Hospital, Nancy, France
10. Hépato-gastro-entérology, Hospital Dupuytren, Limoges, France