Costantino Simoncelli
From the Department of Medical- Surgical Specialization, Division of Otolaryngology and Cervico-Facial Surgery, University of Perugia
Giampietro Ricci
From the Department of Medical- Surgical Specialization, Division of Otolaryngology and Cervico-Facial Surgery, University of Perugia
Franco Trabalzini
Department of Otosurgery, Azienda Ospedaliera- University Padova, both in Italy.
Mario Gullà
From the Department of Medical- Surgical Specialization, Division of Otolaryngology and Cervico-Facial Surgery, University of Perugia
Mario Faralli
From the Department of Medical- Surgical Specialization, Division of Otolaryngology and Cervico-Facial Surgery, University of Perugia
Egisto Molini
Department of Otosurgery, Azienda Ospedaliera- University Padova, both in Italy.
