1. Sexually Transmitted Infection/Human Immunodeficiency Virus Unit, San Gallicano Dermatological Institute, IFO-IRCCS; Rome Italy
2. Pathology Department; Regina Elena National Cancer Institute, IFO-IRCCS; Rome Italy
3. Clinical Department; Lazzaro Spallanzani National Institute for Infectious Diseases, IRCCS; Rome Italy
4. Microbiology and Clinical Pathology Department; San Gallicano Dermatological Institute, IFO-IRCCS; Rome Italy