1. Servicio de Aparato Digestivo, Hospital Clínico University of Zaragoza, IIS Aragón Zaragoza Spain
2. CIBERehd Madrid Spain
3. Department of Gastroenterology and Hepatology Royal Adelaide Hospital Adelaide South Australia Australia
4. Faculty of Health Science University of Adelaide Adelaide South Australia Australia
5. Department of Surgery, Prince of Wales Hospital The Chinese University of Hong Kong Hong Kong SAR China
6. Department of Gastroenterology Ankara University School of Medicine Ankara Turkey
7. EpiMed Communications Abingdon Oxfordshire UK
8. Institute of Gastroenterology and Hepatology Emek Medical Center Afula Israel
9. Rappaport Faculty of Medicine Technion‐Israel Institute of Technology Haifa Israel