1. Gemelli Molise Hospital, Campobasso, Italy.
2. Dipartimento di Sicurezza e Bioetica Sezione Malattie Infettive, Università Cattolica del Sacro Cuore, Roma, Italy.
3. Mater Olbia Hospital, Olbia, Italy.
4. Fondazione Policlinico Universitario A. Gemelli IRCCS, UOC Malattie Infettive, Roma, Italy.
5. Division of Infectious Diseases, Department of Infectious Diseases, Luigi Sacco University Hospital, Milano, Italy.