[1] Luigi Sacco Hosp, ASST Fatebenefratelli Sacco, Lab Clin Microbiol Virol & Bioemergencies, Milan, Italy
[2] Luigi Sacco Hosp, Infect Dis Unit 3, ASST Fatebenefratelli Sacco, Milan, Italy
[3] Univ Milan, Dept Biomed & Clin Sci, Milan, Italy
[4] Luigi Sacco Hosp, Infect Dis Unit 1, ASST Fatebenefratelli Sacco, Milan, Italy