1. Gastroenterology Unit, Department of Clinical Medicine and Surgery; University of Naples “Federico II”; Naples Italy
2. Hepatology Unit; “Cardarelli” Hospital; Naples Italy
3. IX Interventional Ultrasound Unit for Infectious Diseases; AORN dei Colli, P.O. Cotugno; Naples Italy
4. Liver Unit; Gragnano Hospital; Gragnano (NA) Italy
5. Division of Infectious Diseases; Rummo Hospital; Benevento Italy
6. Department of Abdominal Surgical Oncology and Hepatobiliary Unit; “Istituto Nazionale Tumori IRCCS Fondazione Pascale - IRCCS di Napoli”; Naples Italy
7. Unit for Liver Transplant Management, Department of Medical Sciences; AORN Sant'Anna e San Sebastiano; Caserta Italy
8. Department of Medical, Surgical, Neurological, Geriatric and Metabolic Sciences; University of Campania Luigi Vanvitelli; Naples Italy
9. Internal Medicine Unit; A.O. Nocera; Nocera (Salerno) Italy
10. Second University of Naples; Infectious Diseases and Viral Hepatitis Unit; Naples Italy
11. Infectious and Tropical Diseases Unit; S. Anna and S. Sebastiano Hospital; Caserta Italy
12. Interventional Ultrasound Unit, Department of Radiology; Pineta Grande Hospital; Castel Volturno Italy
13. Gastroenterology Unit; PSI Napoli EST - ASL NA 1; Naples Italy
14. Department of Mental Health and Public Medicine, Section of Infectious Diseases; University of Campania Luigi Vanvitelli; Naples Italy
15. Department of Medicine and Surgery; University of Salerno; Salerno Italy