1. Department of Experimental and Clinical Medicine; Audiology and Phoniatrics Unit; University of Catanzaro Magna Graecia; Catanzaro Italy
2. Department of Clinical and Experimental Medicine; University of Pisa; Pisa Italy
3. ENT Audiology Phoniatric Unit; Department of Neuroscience; University of Pisa; Pisa Italy
4. Department of Health Sciences; University of Catanzaro Magna Graecia; Catanzaro Italy
5. Endocrinology Clinic; Internal Medicine Department; Institut Jules Bordet Comprehensive Cancer Center; Bruxelles Belgium
6. Department of Medicine and Surgery; University of Catanzaro Magna Graecia; Catanzaro Italy
7. Department of Medicine and Surgery; University of Salerno; Salerno Italy