1. Division of Otorhinolaryngology, Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, 90127 Palermo, Italy
2. Section of Biochemistry, Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, 90127 Palermo, Italy
3. Head and Neck Surgery Research Group of Young Otolaryngologists of International Federation of Otorhinolaryngological Societies (YO-IFOS), 75000 Paris, France
4. Otorhinolaryngology-Head & Neck Surgery Department, Donostia University Hospital, Biodonostia Research Institute, Faculty of Medicine, Deusto University, 20014 Donostia, Spain
5. Faculty of Medicine and Surgery, University of Enna “Kore”, 94100 Enna, Italy
6. Division of Laryngology and Bronchoesophagology, Department of Otolaryngology-Head and Neck Surgery, Epicura Hospital, University of Mons, B7000 Mons, Belgium
7. Department of Otorhinolaryngology—Head and Neck Surgery, Complexo Hospitalario Universitario A Coruña (CHUAC), 15006 A Coruña, Spain
8. Department of Otorhinolaryngology—Head and Neck Surgery, Hospital San Rafael (HSR), 15006 A Coruña, Spain
9. Department of Oto-Rhino-Laryngology Head and Neck Surgery, La Conception University Hospital, Assistance Publique—Hopitaux de Marseille, Aix Marseille University, 13005 Marseille, France