1. Department of Otolaryngology‐Head and Neck Surgery Regina Elena National Cancer Institute IRCCS Rome Italy
2. Department of Sense Organs Sapienza University of Rome Rome Italy
3. STI/HIV Unit San Gallicano Dermatological Institute IRCCS Rome Italy
4. Department of Pathology Regina Elena National Cancer Institute IRCCS Rome Italy
5. Division of Maxillofacial Surgery, Surgical Science Department University of Torino Torino Italy
6. Department of Biomedical Sciences Humanitas University Milan Italy
7. Otorhinolaryngology Unit IRCCS Humanitas Research Hospital Milan Italy