1. Otolaryngology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
2. Clinical and Experimental Medicine PhD Program, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
3. Pathology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
4. Endocrinology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy