1 Department of Medicine and Surgery, School of Medicine, University of Enna "Kore", 94100, Enna, Italy.
2 Research Study Group of Young-Otolaryngologists of the International Federations of Oto-rhino-laryngological Societies (YO-IFOS), Paris, France.
3 ENT Department, Gravina Hospital Caltagirone, ASP Catania, 95041, Caltagirone, Italy.
4 ASP Ragusa-Hospital Giovanni Paolo II, 97100, Ragusa, Italy.
5 Department of Anatomy and Experimental Oncology, Mons School of Medicine, UMONS Research Institute for Health Sciences and Technology, 7000, Mons, Belgium.