1. Head and Neck Academic Centre, Department of Head and Neck SurgeryUniversity College London Hospital London UK
2. Department of Otorhinolaryngology‐Head and Neck SurgeryKantonsspital St. Gallen St. Gallen Switzerland
3. Department of Otorhinolaryngology‐Head and Neck Surgery, Ospedale San Carlo Rome Italy
4. Department Otorhinolaryngology‐Head and Neck Surgery UMC Utrecht The Netherlands
5. Department Head and Neck Surgery, MD AndersonUniversity of Texas Houston Texas
6. Department of Oral and Maxillofacial SurgeryCruces University Hospital Bilbao Spain
7. Department Head and Neck Surgery, Rigshospitalet Copenhagen Denmark
8. Department of Otolaryngology‐Head & Neck SurgeryThomas Jefferson University Hospitals Philadelphia Pennsylvania
9. Department of Head and Neck SurgeryTata Memorial Hospital Mumbai India
10. Department of Oral and Maxillofacial Surgery, Facial Plastic SurgeryUniversity Medical Centre Rostock Rostock Germany
11. Department of Head and Neck SurgeryUniversity Hospital Montpellier France
12. Department of Otolaryngology–Head and Neck SurgeryKyorin University School of Medicine Tokyo Japan
13. Department of Head and Neck Oncology/SurgeryNetherlands Cancer Institute/Antoni van Leeuwenhoek Amsterdam The Netherlands
14. Department of Head and Neck SurgeryThe Royal Marsden NHS Foundation Trust London UK
15. Department of Head and Neck SurgeryUniversité Catholique de Louvain, CHU UCL Namur Namur Belgium
16. Department of Head and Neck SurgerySouthern General Hospital Glasgow Scotland
17. Department of InfomaticsKings College London London UK
18. Institute of Translational MedicineUniversity of Liverpool, Cancer Research Centre Liverpool UK