1. First Infectious Diseases Unit, Ospedale Cotugno, Azienda Ospedaliera dei Colli, Napoli, Italy
2. Emergency Medicine Unit, Azienda Ospedaliera Universitaria Pisana, Pisa, Italy
3. Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
4. Infectious Diseases Unit, Azienda Ospedaliera Universitaria Pisana, Pisa, Italy
5. Department of Pharmaceutical Sciences–Medicine Management, Azienda Ospedaliera Universitaria Pisana, Pisa, Italy
6. Infectious Diseases Clinic, Università Politecnica delle Marche, Torrette, Italy