1. Department of Otorhinolaryngology, Donostia University Hospital, Osakidetza, 20014 San Sebastian, Spain
2. Head & Neck Study Group, Young-Otolaryngologists of the International Federations of Oto-Rhino-Laryngological Societies (YO-IFOS), 13005 Marseille, France
3. Division of Phoniatrics and Audiology, Department of Mental and Physical Health and Preventive Medicine, University of L. Vanvitelli, 81100 Naples, Italy
4. Otorhinolaryngology—Head and Neck Surgery Department, Complexo Hospitalario Universitario A Coruña (CHUAC), 15006 A Coruña, Spain
5. Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, ENT Section, University of Catania, Via S. Sofia 78, 95125 Catania, Italy
6. Department of Otorhinolaryngology-Head and Neck Surgery, APHM, La Conception University Hospital, 13005 Marseille, France
7. Department of Otolaryngology—Head & Neck Surgery, Morgagni Pierantoni Hospital, 47100 Forli, Italy
8. Division of Otolaryngology—Head & Neck Surgery, Centre Hospitalier de L’Université de Montréal, Montreal, QC H2X 0C1, Canada
9. Department of Otolaryngology—Head & Neck Surgery, Foch Hospital, School of Medicine, UFR Simone Veil, Université Versailles Saint-Quentin-en-Yvelines (Paris Saclay University), 91190 Paris, France