1. Division of Otorhinolaryngology, Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Varese, Italy;
2. Head and Neck Surgery & Forensic Dissection Research center (HNS&FDRc), DBSV, University of Insubria, Varese, Italy;
3. Section of Otorhinolaryngology, Head and Neck Surgery, Department of Surgery and Biomedical Science, S.M. della Misericordia Hospital, University of Perugia, Italy, Association “Naso Sano” Onlus, Umbria Regional Registry of Volunteers, Corciano, Italy