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