1. Department of Neurosciences DNS, Otolaryngology Section, University of Padova, 35122 Padova, Italy
2. ENT Department, Ospedale dell’Angelo, ULSS 3 Serenissima, Mestre, 30174 Venezia, Italy
3. ENT Department, Hospital of Cittadella, 35013 Padova, Italy
4. ENT Department, Hospital of Rovigo, 45100 Rovigo, Italy
5. ENT Unit, Department of Surgery, Ospedali Riuniti Padova Sud, 35043 Monselice, Italy
6. ENT Consultant, Head and Neck Department, ULSS 2 Marca Trevigiana, 31100 Treviso, Italy
7. Department of Otorhinolaryngology, University Hospital “Santa Maria Della Misericordia”, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), 33100 Udine, Italy
8. Department of Otolaryngology Head and Neck Surgery, San Bassiano Hospital, Via Dei Lotti 40, 36061 Bassano Del Grappa, Italy
9. Department of Neurosciences, Section of Otolaryngology, University of Padova, 31100 Treviso, Italy
10. ENT Unit, Ospedale San Martino, Belluno, ULSS1 Dolomiti, 32100 Belluno, Italy
11. Department of Statistical Sciences, University of Padova, 35122 Padova, Italy