1 Unit of Plastic and Reconstructive Surgery, Campus Bio-Medico University, Rome, Italy.
2 Department of Epidemiology, George Emil Palade University of Medicine, Pharmacy, Science and Technology, Târgu Mureș, Romania - neagunicoleta92@yahoo.com.
3 HPV-Unit, UOSD Tumor Immunology and Immunotherapy, IRCCS Regina Elena National Cancer Institute, Rome, Italy.
4 Department of Dermatology, Maggiore Hospital, University of Trieste, Trieste, Italy.