1. Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
2. Infectious and Tropical Diseases Unit, Careggi University Hospital, Florence, Italy
3. Department of Safety and Bioethics, Catholic University of the Sacred Heart, Rome, Italy
4. Gemelli Molise Hospital, Campobasso, Italy
5. IFO – Istituto Nazionale Tumori Regina Elena, Dermatologic Institute San Gallicano, Rome, Italy
6. UOC Malattie Infettive e Tropicali, Azienda Ospedaliero-Universitaria Senese, Siena, Italy
7. Institute of Clinical Infectious Diseases, Catholic University of the Sacred Heart, Rome, Italy
8. Infectious and Tropical Diseases Unit, Azienda Ospedaliero Universitaria di Modena, Modena, Italy