1 Hepatogastroenterology Unit, Second Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece.
2 Department of Gastroenterology, Hepatopancreatology, and Digestive Oncology, CUB Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium.
3 Institute of Gastroenterology and Hepatology, Emek Medical Center, Afula, Israel.
4 Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.
5 Digestive Diseases and Renal Department, HCA Healthcare, London, UK.
6 Gastroenterology and Endoscopy Unit, ASST Rhodense, Garbagnate Milanese and Rho, Milan, Italy.
8 Gastroenterology Department, Saint-Antoine Hospital, APHP Sorbonne University, Paris, France.
9 Division of Gastroenterology, University Hospital & Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece.
10 Department of Gastroenterology, Moscow University Hospital, Pirogov Russia National Research Medical University, Moscow, Russia.
11 Department of Emergency General Surgery, Wirral University Teaching Hospital NHS Foundation Trust, Birkenhead, Wirral, UK.
12 Medical Department II, Division of Gastroenterology, University of Leipzig Medical Center, Leipzig, Germany.
13 Department of Gastroenterology and Hepatology, Theodor Bilharz Research Institute, Cairo, Egypt.
14 Radiology Unit, Candiolo Cancer Institute, FPO-IRCCS, Candiolo.
15 Department of Surgical Sciences, University of Turin, Turin, Italy.
16 Department of Gastroenterology and Hepatology, Hospital Universitario Ramón y Cajal, University of Alcala, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Spain.
17 Division of Gastroenterology, Ulster Hospital, Belfast, Northern Ireland, UK.
18 Department of Medicine (Solna), Karolinska Institute and Department of Medicine, Ersta Hospital, Stockholm, Sweden.
19 Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden, The Netherlands.