1. ENT Unit, Department of Mental Health and Public Medicine, University of Campania “L. Vanvitelli”, Naples, Italy
2. Thoracic Surgery Unit, Department of Cardio-Thoracic and Respiratory Sciences, University of Campania “L. Vanvitelli”, Naples, Italy
3. Pathology Unit, Department of Mental Health and Physical and Preventive Medicine, University of Campania “L. Vanvitelli”, Naples, Italy