Institution: | 1. Sexually Transmitted Infection (STI) Unit, San Gallicano Dermatological Institute, Rome, Italy.; 2. Virology Laboratory and HPV Unit, Regina Elena National Cancer Institute, Rome, Italy.; 3. Pathology Department, Regina Elena National Cancer Institute, Rome, Italy.; 4. Microbiology and Clinical Pathology Department, San Gallicano Dermatological Institute, Rome, Italy.; Columbia University, United States of America, |