1. Infectious Diseases Unit, IRCCS Ospedale Policlinico, San Martino, Genoa, Italy
2. Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
3. Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, Genoa, Italy
4. UO Microbiologia, IRCCS Ospedale Policlinico, San Martino, Genoa, Italy