1. Department of Translational Medical Sciences, Institute of Respiratory Diseases, University of Campania “L. Vanvitelli”, Naples, Italy
2. Otolaryngology Audiology, and Phoniatric Operative Unit, Department of Surgical, Medical, Molecular Pathology, and Critical Care Medicine, Azienda Ospedaliero Universitaria Pisana, University of Pisa, Pisa, Italy
3. Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
4. Medical Department, Novartis Farma, Origgio, Italy
5. Division of Internal Medicine and Clinical Immunology, Department of Internal Medicine, Clinical Immunology, Clinical Pathology and Infectious Diseases, Azienda Ospedaliera Universitaria Federico II, Naples, Italy