[1] ASST Sette Laghi Circolo Hosp, Neuroradiol Unit, I-21100 Varese, Italy
[2] Univ Insubria, Dept Biotechnol & Life Sci, Div Neurosurg, I-21100 Varese, Italy
[3] Univ Insubria, Dept Biotechnol & Life Sci, Div Otorhinolaryngol, I-21100 Varese, Italy
[4] ASST Sette Laghi Circolo Hosp, Dept Surg Special, Div Otorhinolaryngol, I-21100 Varese, Italy
[5] European Inst Oncol IRCCS, Dept Head & Neck Surg & Otorhinolaryngol, I-20122 Milan, Italy
[6] Univ Insubria, Dept Otorhinolaryngol, ASST Lariana, I-22100 Como, Italy
[7] Univ Insubria, Dept Surg, ASST Lariana, I-22100 Como, Italy
[8] Univ Insubria, Head & Neck Surg & Forens Dissect Res Ctr HNS&FDR, Dept Biotechnol & Life Sci, I-21100 Varese, Italy
[9] ARNAS Civ Hosp, Diagnost & Intervent Neuroradiol Unit, I-90127 Palermo, Italy
[10] ASST Sette Laghi Circolo Hosp, Radiol Unit, I-21100 Varese, Italy