[1] Magna Graecia Univ Catanzaro, Dept Med & Surg Sci, Infect & Trop Dis Unit, I-88100 Catanzaro, Italy
[2] Gemelli Molise Hosp, Campobasso, Italy
[3] Mater Olbia Hosp, Olbia, Italy
[4] Univ Cattolica Sacro Cuore, Rome, Italy
[5] Fdn Policlin Univ Agostino Gemelli IRCCS, Rome, Italy
[6] ASST FBF Sacco, Infect Dis Unit 3, Milan, Italy
[7] ASST Ovest Milanese, UOC Malattie Infett, Osped Legnano, Milan, Italy
[8] Univ Milan, DIBIC Luigi Sacco, Milan, Italy
[9] Univ Modena & Reggio Emilia, Clin Malattia Infett, Modena, Italy
[10] Univ Firenze, Dipartimento Med Clin & Sperimentale Presso, Florence, Italy
[11] Azienda Osped Univ Osped Riuniti Ancona, Clin Malattie Infett, Ancona, Italy
[12] Univ Sassari, Dept Med Surg & Expt Sci, Unit Infect Dis, Sassari, Italy
[13] Azienda Osped Univ Senese, UOC Malattie Infett & Tropicali, Siena, Italy