1. Unit of Otorhinolaryngology – Head and Neck Surgery ASST Spedali Civili of Brescia Brescia Italy
2. Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health University of Brescia, School of Medicine Brescia Italy
3. Department of Head and Neck Surgery MD Anderson Cancer Center Houston Texas USA
4. Otorhinolaryngology – Head and Neck Surgery, Leuven Cancer Institute, University Hospitals Leuven Leuven Belgium
5. Department of Oncology, Section Head and Neck Oncology KU Leuven Leuven Belgium
6. Department of Otorhinolaryngology – Head and Neck Surgery, Research Program in Systems Oncology University of Helsinki and HUS Helsinki University Hospital Helsinki Finland
7. Department of Vascular and Endovascular Surgery Hospital Universitario de Torrecardenas Almeria Spain
8. Department of Head and Neck Surgery University of Sao Paulo Medical School and Department of Head and Neck Surgery and Otorhinolaryngology, AC Camargo Cancer Center Sao Paulo Brazil
9. Department of Otorhinolaryngology – Head and Neck Surgery Donostia University Hospital, Deusto University – School of Medicine, BioGuipuzcoa Research Institute San Sebastian Spain
10. Coordinator of the International Head and Neck Scientific Group Padua Italy