1 Infectious Diseases Unit 1, Santa Maria Annunziata Hospital, Azienda USL Toscana Centro, via Antella, 56, Bagno a Ripoli, Florence, Italy; Infectious Diseases Clinic, Santa Maria della Misericordia University Hospital, University of Perugia, Piazzale Gambuli, 1, Perugia, Italy. Electronic address: pallottoc@gmail.com.
2 Infectious Diseases Unit 1, Santa Maria Annunziata Hospital, Azienda USL Toscana Centro, via Antella, 56, Bagno a Ripoli, Florence, Italy; Infectious Diseases Unit 2, San Jacopo Hospital, Azienda USL Toscana Centro, via Ciliegiole, 97, Pistoia, Italy.
3 Infectious Diseases Unit 1, Santa Maria Annunziata Hospital, Azienda USL Toscana Centro, via Antella, 56, Bagno a Ripoli, Florence, Italy; Department of Infectious Diseases, University of Modena and Reggio Emilia, Modena, Italy.
4 Infectious Diseases Unit 1, Santa Maria Annunziata Hospital, Azienda USL Toscana Centro, via Antella, 56, Bagno a Ripoli, Florence, Italy; Infectious Diseases Unit, Azienda Ospedaliero Universitaria Pisana, Via Paradisa 2, Pisa, Italy.
5 Infectious Diseases Unit 1, Santa Maria Annunziata Hospital, Azienda USL Toscana Centro, via Antella, 56, Bagno a Ripoli, Florence, Italy.
6 Infectious Diseases Clinic, Santa Maria della Misericordia University Hospital, University of Perugia, Piazzale Gambuli, 1, Perugia, Italy.