1   Second Academic Department of Gastroenterology, Medical School, National and Kapodistrian University of Athens, Athens, Greece

2   Hepatogastroenterology Unit, Second Department of Internal Medicine-Propaedeutic, Medical School, National and Kapodistrian University of Athens, Athens, Greece

,

Reena Sidhu

3   Academic Unit of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, UK

4   Division of Clinical Medicine, School of Medicine and Population Health, University of Sheffield, Sheffield, UK

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5   Department of Gastroenterology and Hepatology, Ulster Hospital, Dundonald, Northern Ireland

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6   Department of Gastroenterology, General Hospital of Nea Ionia “Konstantopoulio-Patision”, Athens, Greece

,

Claire Guy

7   TUM School of Medicine and Health, Technische Universität München, Munich, Germany

,

Helmut Messmann

8   Department of Gastroenterology, University Hospital Augsburg, Augsburg, Germany

,

Marianna Arvanitakis

9   Department of Gastroenterology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium

,

Cesare Hassan

10   Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy

11   Endoscopy Unit, Humanitas Clinical and Research Center – IRCCS, Rozzano, Italy

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12   Department of Gastroenterology and Hepatology, University Hospitals Leuven, and TARGID, KU Leuven, Leuven, Belgium

,

Ian Mark Gralnek

13   Institute of Gastroenterology and Hepatology, Emek Medical Center, Afula, Israel

14   Rappaport Family Faculty of Medicine, Technion Israel Institute of Technology, Haifa, Israel