1. Department of Otolaryngology; Hospital Universitario Central de Asturias; Oviedo Spain
2. University of Oviedo, Instituto Universitario de Oncología del Principado de Asturias; Oviedo Spain
3. Departments of Surgery and Otolaryngology; Head and Neck Surgery, Montefiore Medical Center, Albert Einstein College of Medicine; Bronx New York
4. Departments of Medicine (Oncology) and Otorhinolaryngology-Head & Neck Surgery; Albert Einstein College of Medicine/Montefiore Medical Center; Bronx New York
5. Departments of Pathology; The Johns Hopkins University; Baltimore Maryland
6. Department of Radiation Oncology; Institute of Oncology; Ljubljana Slovenia
7. Department of Otolaryngology-Head and Neck Surgery; Institut Gustave Roussy; Villejuif Cedex France
8. Laboratoire de Phonétique et de Phonologie; Sorbonne Nouvelle; Paris France
9. Department of Otolaryngology-Head and Neck Surgery; Nottingham University Hospitals; Queens Medical Centre Campus Nottingham United Kingdom
10. Department of Radiation Oncology; University of Florida; Gainesville Florida
11. Department of Otolaryngology-Head and Neck Surgery; Radboud University Nijmegen Medical Center; Nijmegen The Netherlands
12. Department of Head and Neck Surgery; Head and Neck Oncology Program, St Luc University Hospital and Cancer Center; Brussels Belgium
13. Division of Otolaryngology-Head and Neck Surgery; Southern Illinois University School of Medicine; Springfield Illinois
14. Head and Neck Service; Memorial Sloan-Kettering Cancer Center; New York New York
15. Department of Otolaryngology; Head and Neck Surgery; Marburg Germany
16. University of Udine School of Medicine, Udine, Italy
17. Coordinator of the International Head and Neck Scientific Group