Affiliation: | (1) Dept. of Public Health and Microbiology, University of Turin, Turin, Italy;(2) Infection Control Unit, Rivoli Hospital, Rivoli (Turin), Italy;(3) Dept. of Surgery, Molinette Hospital, Turin, Italy;(4) Dept. of Public Health and Microbiology, University of Turin, Via Santena 5bis, 10126 Turin, Italy |