1. Otorhinolaryngology-Head & Neck Surgery Department, Donostia University Hospital, BioGuipuzkoa Research Institute, Faculty Of Medicine, Deusto University, 20014 Donostia, Spain
2. Head & Neck Section—Research Committee of Young Otolaryngologists of the International Federation of Otorhinolaryngological Societies (IFOS), 13005 Marseille, France
3. Department of Otorhinolaryngology-Head and Neck Surgery, Complexo Hospitalario Universitario de A Coruña (CHUAC), 15006 A Coruña, Spain
4. Maxillofacial Surgery Operative Unit, Department of Medicine, Surgery and Pharmacy, University of Sassari, Viale San Pietro 43/B, 07100 Sassari, Italy
5. Faculty of Medicine and Surgery, University of Enna “Kore”, 94100 Enna, Italy
6. Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear, Boston, MA 02114, USA
7. Maxillofacial Surgery Department, Donostia University Hospital, 20014 Donostia, Spain
8. Division of Laryngology and Broncho-Esophagology, Department of Otolaryngology-Head Neck Surgery, EpiCURA Hospital, UMONS Research Institute for Health Sciences and Technology, University of Mons (UMons), 7000 Mons, Belgium