1. Head and Neck Surgery and Otorhinolaryngology Department, A.C. Camargo Cancer Center, Sao Paulo, Brazil
2. Head and Neck Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
3. Instituto Universitario de Oncología del Principado de Asturias, University of Oviedo, Oviedo, Spain
4. Servicio de Otorrinolaringología, Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Spain
5. University of Udine School of Medicine, Udine
6. Department of Head and Neck Surgical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
7. Department of Otolaryngology, Hospital Universitario Central de Asturias, Instituto de Oncología de Asturias, University of Oviedo, Centro de Investigación Biomédica en Red de Cáncer, Oviedo, Spain
8. Department of Head & Neck Surgery, St Luc University Hospital and King Albert II Cancer Institute, Brussels, Belgium; Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain, Brussels, Belgium
9. Department of Otorhinolaryngology - Head and Neck Surgery, Radboud University Medical Center, Nijmegen, The Netherlands
10. Faculty of Medicine, University of Helsinki, Research Programme in Systems Oncology, Helsinki, Finland
11. Division of Ear, Nose and Throat Diseases, Department of Clinical Sciences, Intervention and Technology, Karolinska Institutet and Karolinska Hospital, Stockholm, Sweden
12. Department of Otorhinolaryngology - Head and Neck Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
13. Department of Otorhinolaryngology-Head and Neck Surgery, University Hospital, Berne, Switzerland
14. Department of Otolaryngology Head & Neck Surgery and Audiology and Department of Pathology Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
15. Department of Otolaryngology and Maxillofacial Surgery, Zealand University Hospital, Køge, Denmark
16. Multidisciplinary Salivary Gland Society, Geneva, Switzerland
17. Otorhinolaryngology-Head and Neck Surgery and Department of Oncology, section Head and Neck Oncology, University Hospitals Leuven, Leuven, Belgium
18. Department of Surgery, School of Medicine, Clinica Vida, Universidad de Antioquia, Medellín, Colombia
19. Epigenetics and Human Disease Laboratory, Department of Biomedical Sciences and Medicine, University of Algarve, Faro, Portugal
20. Division of Otolaryngology-Head and Neck Surgery, Southern Illinois University School of Medicine, Springfield, USA
21. Department of Otorhinolaryngology-Head and Neck Surgery, HELIOS Hanseklinikum, Stralsund, Germany
22. Department of Surgery, University of Arizona College of Medicine, Phoenix, AZ, USA
23. Coordinator of the International Head and Neck Scientific Group, Padua, Italy