1. Department of Otorhinolaryngology, Villa Sofia-Cervello Hospital, Palermo, Italy
2. Otorhinolaryngology Section, Department of Experimental Biomedicine and Clinical Neurosciences (BioNeC), University of Palermo, Italy
3. Department of Otorhinolaryngology, Papardo Hospital, Messina, Italy
4. Unit of Pathology, Villa Sofia-Cervello Hospital, Palermo, Italy
5. Department of Biomedical, Dental Sciences and Morphological and Functional Images, University of Messina, Italy
6. Department of Biomedicine Neuroscience and Advanced Diagnostics, University of Palermo, Italy
7. Euro-Mediterranean Institute of Science and Technology (IEMEST), Palermo, Italy