Mario Faralli
From the Department of ENT University of Medicine, Perugia, Perugia, Italy
Giampietro Ricci
From the Department of Medical- Surgical Specialization, Division of Otolaryngology and Cervico-Facial Surgery, University of Perugia
Antonio Frenguelli
From the Department of ENT University of Medicine, Perugia, Perugia, Italy
Chiara Spuri
From the Department of ENT University of Medicine, Perugia, Perugia, Italy
Fabrizio Lorngari
From the Department of ENT University of Medicine, Perugia, Perugia, Italy
Egisto Molini
Department of Otosurgery, Azienda Ospedaliera- University Padova, both in Italy.
