[1] Hosp Lariboisiere, AP HP, Otorhinolaryngol & Skull Base Ctr, 2 Rue Ambroise Pare, F-75010 Paris, France
[2] Univ Insubria, Osped Circolo & Fdn Macchi, Dept Biotechnol & Life Sci, Div Otorhinolaryngol, Varese, Italy
[3] Univ Padua, Unit Otorhinolaryngol Head & Neck Surg, Dept Neurosci, Padua, Italy
[4] Univ Brescia, Unit Otorhinolaryngol Head & Neck Surg, ASST Spedali Civili Brescia, Dept Med & Surg Specialties,Radiol Sci & Publ Hlt, Brescia, Italy
[5] Circolo Hosp, Dept Neuroradiol, ASST Sette Laghi, Varese, Italy
[6] Teaching Hosp Paracelsus Med Privatuniv PMU, Hosp Bolzano SABES ASDAA, Dept Otorhinolaryngol, Dept Gynecol & Obstet, Bolzano, Italy
[7] Univ Insubria, Osped St Anna, Dept Otolaryngol Head & Neck Surg, ASST Lariana, Como, Italy