1. Department of Otolaryngology ‐ Head and Neck Surgery, Galilee Medical Center, affiliated with Azrieli Faculty of Medicine Bar‐Ilan University Safed Israel
2. Department of Otolaryngology Head and Neck Surgery Southern Illinois University Medical School Springfield Illinois USA
3. Department of Otorhinolaryngology Mayo Clinic Rochester Minnesota USA
4. Head and Neck Service Memorial Sloan Kettering Cancer Center New York New York USA
5. Division of Thyroid and Parathyroid Endocrine Surgery, Department of Otolaryngology Massachusetts Eye and Ear Infirmary Boston Massachusetts USA
6. Department of Otorhinolaryngology Head and Neck Surgery Edinburgh Royal Infirmary Edinburgh UK
7. Head and Neck Endocrine Surgery The University of Texas MD Anderson Cancer Center Houston Texas USA
8. Department of Otolaryngology‐Head and Neck Surgery Institut Gustave Roussy Villejuif Cedex France
9. Laboratoire de Phonétique et de Phonologie Paris France
10. Department of Otorhinolaryngology‐Head and Neck Surgery A.C. Camargo Cancer Center São Paulo Brazil
11. Department of Head and Neck Surgery University of São Paulo Medical School São Paulo Brazil
12. Department of Otolaryngology Hospital Universitario Central de Asturias‐ISPA Oviedo Spain
13. Department of Otolaryngology University of Oviedo‐IUOPA Oviedo Spain
14. Head and Neck Cancer Unit CIBERONC Madrid Spain
15. Department of Otorhinolaryngology‐Head and Neck Surgery University of Helsinki and Helsinki University Hospital Helsinki Finland
16. Department of Otorhinolaryngology‐Head and Neck Surgery University Hospitals Leuven Leuven Belgium
17. Department of Oncology, Section Head and Neck Oncology KU Leuven Leuven Belgium
18. Department of Surgery, School of Medicine Universidad de Antioquia/Hospital Universitario San Vicente Fundación Medellín Colombia
19. Department of Surgery CEXCA—Centro de Excelencia en Enfermedades de Cabeza y Cuello Medellín Colombia
20. Department of Surgery and MacLean Center for Clinical Medical Ethics The University of Chicago Chicago Illinois USA
21. Department of Otolaryngology University of Udine School of Medicine Udine Italy
22. Coordinator of the International Head and Neck Scientific Group Padua Italy