Institution: | 1. Institute of Infectious Diseases, University of Bari, , Bari, Italy;2. Department of Infectious Diseases, Hospital San Giovanni Addolorata, , Rome, Italy;3. Institute of Infectious and Tropical Diseases, Department of Medicine, Surgery and Dentistry, San Paolo University Hospital, , Milan, Italy;4. Department of Infectious Diseases, INMI, L Spallanzani, , Rome, Italy;5. Institute of Infectious Diseases, Policlinico Umberto I, , Rome, Italy;6. Department of Infectious Diseases, Hospital of Rovigo, , Rovigo, Italy;7. Department of Infectious Diseases, Hospital SS Annunziata, bagno a Ripoli, , Florence, Italy |