1. Department of Surgery, Oncology and Gastroenterology University of Padua Padua Italy
2. Department of Surgery Wexner Medical Center at The Ohio State University Columbus OH
3. Department of Medical and Surgical Sciences, Division of Semeiotics Alma Mater Studiorum – University of Bologna Bologna Italy
4. Gastroenterology Unit, Department of Internal Medicine University of Genoa, Policlinico San Martino Genoa Italy
5. Department of Medical and Surgical Sciences, Division of Internal Medicine Alma Mater Studiorum – University of Bologna Bologna Italy
6. Division of Surgery San Marco Hospital Zingonia Italy
7. Division of Internal Medicine and Gastroenterology Complesso Integrato Columbus, Università Cattolica del Sacro Cuore Rome Italy
8. Division of Medicine Bolognini Hospital Seriate Italy
9. Division of Gastroenterology Belcolle Hospital Viterbo Italy
10. Department of Medicine, Division of Radiology Fatebenefratelli Hospital Milan Italy
11. Division of Gastroenterology and Metabolic Diseases University Hospital of Pisa Pisa Italy
12. Biomedical Department of Internal and Specialistic Medicine, Division of Gastroenterology University of Palermo Palermo Italy
13. Division of Internal Medicine 2 Ospedali Riuniti Villa Sofia‐Cervello Palermo Italy
14. Internal Medicine and Hepatology, Department of Experimental and Clinical Medicine University of Firenze Florence Italy
15. Bolzano Regional Hospital Division of Gastroenterology Bolzano Italy
16. Department of Clinical Medicine and Surgery, Unit of Gastroenterology and Hepatology University of Naples, “Federico II,” Naples Italy
17. Department of Molecular Medicine University of Padova Padova Italy
18. Division of Internal Medicine and Gastroenterology Policlinico Gemelli, Università Cattolica del Sacro Cuore Rome Italy
19. Division of Gastroenterology Polytechnic University of Marche Ancona Italy
20. Department of Internal Medicine Ospedale per gli Infermi di Faenza Faenza Italy
21. Division of Infectious Diseases and Hepatology Azienda Ospedaliero‐Universitaria di Parma Parma Italy
22. Gastroenterology Unit Ospedale Sacro Cuore Don Calabria Negrar Italy
23. Department of Clinical Medicine and Surgery, Hepato‐Gastroenterology Unit University of Naples “Federico II,” Naples Italy
24. Department of Surgical and Medical Sciences Gastroenterology Unit, Alma Mater Studiorum – University of Bologna Bologna Italy
25. Gastroenterologia Ospedale Saliceto Piacenza Italy
26. UOS Malattie delle vie Biliari e del Fegato, UOC malattie dell'Apparato Digerente e del Fegato, AO S.Andrea Università “Sapienza,” Rome Italy
27. U.O.C. Gastroenterologia Ospedale Bentivoglio Bologna Italy
28. U.O. Medicina VI Epatologia e Gastroenterologia, Ospedale San Paolo Università degli Studi di Milano Milan Italy
29. UOC di gastroenterologia Ospedale De Bellis IRCCS Castellana Grotte Italy
30. SC Gastroenterologia ASL 20 Ospedale Pietra Ligure Italy
31. Radiology Padua University Hospital Padua Italy
32. Biostatistic Unit Padua University Padua Italy
33. U.O.C. Gastroenterologia ASST Melegnano‐Martesana Melegnano Italy