1. Department of Experimental Medicine University of Rome Tor Vergata Rome Italy
2. Infectious Diseases University Hospital of Rome Tor Vergata Rome Italy
3. Infectious Diseases Sant’Andrea Hospital – “La Sapienza” Rome Italy
4. Hepatology Unit University Hospital of Rome Tor Vergata Rome Italy
5. Molecular Virology Unit, Microbiology and Virology Department IRCCS Policlinic Foundation San Matteo Pavia Italy
6. Department of Internal Medicine University Hospital of Messina Messina Italy
7. Division of Infectious Diseases IRCCS, Ospedale San Raffaele Milan Italy
8. Laboratory for the identification of prognostic factors of response to the treatment against infectious diseases University of Campania "L. Vanvitelli" Napoli Italy
9. Hygiene Unit IRCCS AOU San Martino‐IST Genoa Italy
10. Microbiology Unit University Hospital of Modena Modena Italy
11. Clinical Microbiology, Virology and Bioemergencies ASST Fatebenefratelli Sacco University Hospital Milan Italy
12. Gastroenterology “P. Giaccone” University Hospital Palermo Italy
13. Infectious Disease Unit Pescara General Hospital Pescara Italy
14. Medical, Surgical and Experimental Sciences University of Sassari Sassari Italy
15. Division of Internal Medicine and Hepatology Humanitas Clinical and Research Center IRCCS Rozzano Italy
16. Department of Mental Health and Public Medicine Infectious Diseases Unit University of Campania “L. Vanvitelli” Naples Italy
17. IRCCS Children Hospital Bambino Gesù Rome Italy