1. National Institute for Infectious Diseases L Spallanzani, IRCCS, Rome, Italy
2. University of Rome Tor Vergata, Rome, Italy
3. University Hospital Tor Vergata, Rome, Italy
4. Modena University Hospital, Modena, Italy
5. San Gallicano Dermatological Institute, IRCCS, Rome, Italy
6. S. Andrea Hospital, Rome, Italy
7. Sapienza University, Latina, Italy
8. S. Giovanni Addolorata Hospital, Rome, Italy