1. Head and Neck Department, Umberto I Polyclinic of Rome, Italy;
2. Department of Sense Organs, Sapienza University of Rome, Italy;
3. Department of Cardiovascular, Respiratory, Geriatric and Morphologic Sciences, Sapienza University of Rome, Italy;
4. Vascular Surgery Department, GEPOS Clinic, Telese Terme, Benevento, Italy