1. Unit of Audiology, Regional Centre of Cochlear Implants and ENT Diseases, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy
2. Department of Medicine and Surgery, University of Salerno, 84084 Salerno, Italy
3. Ear, Nose, and Throat Unit, AORN Cardarelli, 80131 Napoli, Italy
4. Otolaryngology Department, San Giovanni-Addolorata Hospital, Via dell’Amba Aradam, 8, 00184 Rome, Italy
5. Ear, Nose, and Throat Unit, Department of Clinical and Molecular Sciences, Polytechnic University of Marche, Via Conca 71, 60020 Ancona, Italy