[1] Univ Sassari, Dept Med Surg & Pharm, Unit Infect Dis, Sassari, Italy
[2] ASST Fatebenefratelli Sacco, Infect Dis Unit 3, Milan, Italy
[3] Padua Univ Hosp, Infect & Trop Dis Unit, Padua, Italy
[4] ASST Fatebenefratelli Sacco, Infect Dis Unit 1, Milan, Italy
[5] Univ Modena, Div Infect Dis, Modena, Italy
[6] St Salvatore Hosp, UOC Infect Dis, Laquila, Italy
[7] AOU Careggi Univ Hosp, Infect & Trop Dis Unit, Florence, Italy
[8] Univ Florence, Dept Expt & Clin Med, Florence, Italy
[9] Siena Univ Hosp, Infect Dis Unit, Siena, Italy
[10] Sapienza Univ Rome, Dept Publ Hlth & Infect Dis, Rome, Italy
[11] Fdn Policlin Univ Agostino Gemelli IRCCS, UOC Malattie Infett, Rome, Italy