Affiliation: | 1. University of Rome Tor Vergata, , Rome, Italy;2. University College London, , London, UK;3. INMI L Spallanzani Hospital, , Rome, Italy;4. MRC Clinical Trials Unit, , London, UK;5. IRCSS San Gallicano, , Rome, Italy;6. Ospedali Riuniti, , Bergamo, Italy;7. Clinic of Infectious Diseases, , Perugia, Italy;8. Cremona Hospital, , Cremona, Italy;9. University of Siena, , Siena, Italy;10. Modena University Hospital, , Modena, Italy |