1. Division of Gastroenterology and Hepatology; Geneva University Hospitals; Geneva Switzerland
2. Division of Clinical Pathology; Geneva University Hospitals; Geneva Switzerland
3. Casa Sollievo della Sofferenza Hospital; San Giovanni Rotondo Italy
4. Division of Infectious Diseases; Galliera Hospital; Genova Italy
5. Storr Liver Unit; Westmead Millennium Institute; University of Sydney at Westmead Hospital; Sydney NSW Australia
6. Division of Gastroenterology and Hepatology; Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico; Università degli Studi di Milano; Milano Italy
7. Department of Mental Health and Preventive Medicine; Second University of Naples; Napoli Italy
8. Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences; Second University of Naples; Napoli Italy
9. Department of Clinical and Experimental Medicine and Surgery; Second University of Naples; Napoli Italy
10. Department of Gastroenterology, Hepatology and Endocrinology; Hannover Medical School; Hannover Germany
11. German Center for Infectious Disease Research; Hannover-Braunschweig Germany
12. Hepatology; Department of Clinical Research; University of Bern; Bern Switzerland
13. Division of Gastroenterology and Hepatology; University Hospital Zürich; Zürich Switzerland
14. Division of Gastroenterology; Kantonsspital St. Gallen; St. Gallen Switzerland
15. Hôpital Neuchâtelois; Neuchâtel Switzerland
16. Division of Gastroenterology and Hepatology; University Hospital Lausanne; Lausanne Switzerland
17. Division of Gastroenterology and Hepatology; University Hospital Basel; Basel Switzerland
18. Department of Pathology and Immunology; Geneva University; Geneva Switzerland