Affiliation: | 1. Infectious Diseases Unit, University Hospital of Siena, Siena, Italy;2. Clinic of Infectious Diseases, Catholic University of Sacred Heart, Rome, Italy;3. Infectious Diseases Unit, Catanzaro, Italy;4. Virology, Bari Hospital, Bari, Italy;5. Department of Medical Biotechnologies, University of Siena, Siena, Italy;6. Virology, Modena Hospital, Modena, Italy;7. Infectious Diseases Unit, Modena Hospital, Modena, Italy;8. Infectious Diseases Unit, Bari Hospital, Bari, Italy;9. Humanitas San Raffaele, Milan, Italy;10. Virology, Pescara Hospital, Pescara, Italy;11. Infectious Diseases Unit, S. Maria Annunziata Hospital, Firenze, Italy;12. Medicine Department, Città di Castello, Italy |