[1] Gruppo Otologico and Mario Sanna Foundation,Department of Otology and Skull Base Surgery
[2] Casa Di Cura “Piacenza” S.P.A.,Hillel Yaffe Medical Center
[3] Affiliated to Technion University,Department of Otolaryngology
[4] Department of Otolaryngology,undefined
[5] Head and Neck Surgery,undefined
[6] Azienda Ospedaliero-Universitaria di Bologna,undefined
[7] Policlinico Sant’Orsola-Malpighi,undefined
[8] The First Affiliated Hospital,undefined
[9] Chongqing Medical University,undefined