1. Department of Clinical Oncology, Li Ka Shing Faculty of Medicine The University of Hong Kong Hong Kong China
2. Department of Otorhinolaryngology, Li Ka Shing Faculty of Medicine The University of Hong Kong Hong Kong China
3. Department of Radiation Oncology Winship Cancer Institute of Emory University Atlanta Georgia USA
4. Department of Otolaryngology Winship Cancer Institute of Emory University Atlanta Georgia USA
5. Department of Hematology/Medical Oncology Winship Cancer Institute of Emory University Atlanta Georgia USA
6. Department of Head and Neck Surgical Oncology University Medical Center Utrecht Utrecht The Netherlands
7. Department of Otolaryngology Hospital Universitario Central de Asturias‐University of Oviedo Oviedo Spain
8. Instituto de Investigación Sanitaria del Principado de Asturias IUOPA, CIBERONC Oviedo Spain
9. Department of Radiation Oncology University of Michigan Medicine Ann Arbor Michigan USA
10. Department of Otorhinolaryngology Jena University Hospital Jena Germany
11. Clinical Oncology Center The University of Hong Kong‐Shenzhen Hospital Shenzhen China
12. Department of Otorhinolaryngology—Head and Neck Surgery HUS Helsinki University Hospital and University of Helsinki Helsinki Finland
13. Research Program in Systems Oncology, Faculty of Medicine University of Helsinki Helsinki Finland
14. Division of Ear, Nose and Throat Diseases, Department of Clinical Sciences, Intervention and Technology Karolinska Institutet and Karolinska University Hospital Stockholm Sweden
15. Department of Radiation Oncology University of Florida College of Medicine Gainesville Florida USA
16. Department of Radiation Oncology University Hospitals Leuven, KU Leuven ‐ University of Leuven Leuven Belgium
17. Laboratory of Experimental Radiotherapy, Department of Oncology KU Leuven ‐ University of Leuven Leuven Belgium
18. Department of Otolaryngology University of Udine School of Medicine Udine Italy
19. Department of Otolaryngology‐Head and Neck Surgery Southern Illinois University Medical School Springfield Illinois USA
20. Department of Surgery University of Arizona College of Medicine Phoenix Arizona USA
21. Departement of Otorhinolaryngology, Head and Neck Surgery, Head and Neck and Thyroid Oncology Unit Guy's and St Thomas' Hospital NHS Foundation Trust London UK
22. Department of Radiation Oncology The Prince of Wales Cancer Centre Sydney New South Wales Australia
23. Department of Radiation Oncology Institute of Oncology Ljubljana Slovenia
24. Department of Otolaryngology/Head and Neck Surgery Radboud University Medical Center Nijmegen The Netherlands
25. International Head and Neck Scientific Group Padua Italy