[1] ASST Fatebenefratelli Sacco, Lab Clin Microbiol Virol & Bioemergenies, Via GB Grassi 74, I-20157 Milan, Italy
[2] Univ Milan, Dept Biomed & Clin Sci, Via GB Grassi 74, I-20157 Milan, Italy
[3] ASST Fatebenefratelli Sacco, Infect Dis Unit 3, Via GB Grassi 74, I-20157 Milan, Italy
[4] Directorate Gen Hlth, Piazza Citta Lombardia 1, I-20124 Milan, Lombardy Region, Italy
[5] ASST Fatebenefratelli Sacco, Infect Dis Unit 2, Via GB Grassi 74, I-20157 Milan, Italy
[6] Univ Milan, Ctr Multidisciplinary Res Hlth Sci MACH, Via Pace 9, I-20122 Milan, Italy
[7] Natl Res Council CNR, Inst Chem Sci & Technol SCITEC Giulio Natta, Via A Corti 12, I-20133 Milan, Italy