1. I Division of Infectious Diseases, Luigi Sacco Hospital, ASST Fatebenefratelli Sacco , Milan , Italy
2. Infectious Diseases Unit, Vita Salute San Raffaele University , Milan , Italy
3. III Division of Infectious Diseases, Luigi Sacco Hospital, ASST Fatebenefratelli Sacco , Milan , Italy
4. Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo , Pavia , Italy
5. Department of Infectious Diseases, ASST Grande Ospedale Metropolitano Niguarda, School of Medicine and Surgery , Milan , Italy
6. Unit of Infectious Diseases, ASST Santi Paolo e Carlo , Milan , Italy
7. General Directorate of Welfare, Regione Lombardia , Milan , Italy
8. Department of Infectious and Tropical Diseases, ASST Spedali Civili , Brescia , Italy
9. Laboratory of Microbiology and Virology, IRCCS San Raffaele Scientific Institute , Milan , Italy
10. Infectious Diseases Unit, ASST Papa Giovanni XXIII , Bergamo , Italy
11. Dermatology Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico , Milan , Italy
12. Infectious Diseases Unit, Sant'Anna Hospital , Como , Italy
13. Infectious Diseases Unit, ASST Ovest Milanese, Legnano General Hospital , Legnano , Italy
14. Laboratory of Clinical Microbiology, Virology and Bioemergencies, Luigi Sacco Hospital, ASST Fatebenefratelli Sacco , Milan , Italy
15. Department of Clinical-Surgical, Diagnostic, and Pediatric Sciences, University of Pavia , Pavia , Italy
16. Department of Biomedical and Clinical Sciences L. Sacco, University of Milan , Milan , Italy
17. Centre for Multidisciplinary Research in Health Science (MACH), University of Milan , Milan , Italy
18. II Infectious Diseases Unit, Luigi Sacco Hospital, ASST Fatebenefratelli Sacco , Milan , Italy
19. Department of Pathophysiology and Transplantation, University of Milan , Milan , Italy
20. Department of Health Sciences, University of Milan , Milan , Italy
21. Department of Clinical and Experimental Sciences, University of Brescia , Brescia , Italy
22. Infectious Diseases Unit, IRCCS San Raffaele Scientific Institute , Milan , Italy