[1] Univ Salento, Dept Math & Phys E De Giorgi, Lecce, Italy
[2] Humanitas Univ, Dept Biomed Sci, Milan, Italy
[3] San Giuseppe da Copertino Hosp, Unit Admitting & Emergency Med & Surg, Local Hlth Author ASL Lecce, Copertino, Italy
[4] Fdn Policlin Univ Campus Biomed, Unit Anesthesia, Rome, Italy
[5] Casa Cura Humanitas San Pio X, Otorhinolaryngol Head & Neck Surg Unit, Milan, Italy
[6] Fdn Policlin Univ Campus Biomed, Unit Integrated Therapies Otolaryngol, Rome, Italy
[7] Vito Fazzi Hosp, Local Hlth Author ASL Lecce, Unit Otorhinolaryngol, Lecce, Italy