[1] Univ Campania Luigi Vanvitelli, Dept Anaesthesiol Surg & Emergency Sci, Piazza Miraglia 2, I-80138 Naples, Italy
[2] Univ Naples Federico II, Sect Infect Dis, Dept Clin Med & Surg, I-80131 Naples, Italy
[3] San Giuseppe Moscati Hosp, Div Infect Dis, I-83100 Avellino, Italy