1. Unit of Infectious Diseases, ASST Papa Giovanni XXIII, Bergamo, Italy
2. A Infectious Disease Unit, Department of Internal Medicine, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico - B Department of Pathophysiology and Transplantation, University of Milan, Milano, Italy
3. Unit of Infectious Diseases, Department of Medical Sciences, University of Torino, Torino, Italy
4. Unit of Infectious Diseases, Department of Medical and Surgical Sciences, S. Orsola Hospital, “Alma Mater Studiorum” University of Bologna, Italy
5. Unit of Infectious Diseases, Department of Internal Medicine, Azienda Ospedaliera and University of Padua, Italy
6. Department of Infectious Diseases, Università Cattolica, Fondazione Policlinico A. Gemelli, Roma, Italy
7. Department of Infectious Diseases, Ospedale San Raffaele, Milano, Italy
8. Dept of Public Health and Infectious Diseases - Sapienza, University of Rome, SM Goretti Hospital, Latina, Italy
9. Infection Disease Unit, Department of Clinical and Experimental Medicine, University of Foggia, Foggia Italy
10. Unit of Infectious Diseases, Department of Medical, Surgical and Experimental Sciences, University of Sassari, Sassari, Italy
11. Department of Infectious Diseases, University of Campania Luigi Vanvitelli, Caserta, Italy
12. Dept of Health Sciences, Clinic of Infectious Diseases, University of Milan, ASST Santi Paolo E Carlo, Milano, Italy
13. Department of Infectious Diseases, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
14. Infectious Diseases Unit, DIBIC Luigi Sacco, University of Milan, Milano, Italy
15. Dept of Medical Biotechnologies, University of Siena, A.O.U. Senese - Ospedale Santa Maria Alle Scotte, Siena, Italy
16. Infectious Diseases Clinic, San Martino Hospital - IRCCS, Genoa, Italy - Department of Health Sciences, University of Genoa, Genova, Italy