1. Department of Head and Neck Surgery Instituto do Cancer do Estado de São Paulo (ICESP), University of São Paulo Medical School, and Faculdade Israelita de Ciências da Saúde Albert Einstein Medical School São Paulo Brazil
2. Department of Head and Neck Surgery Barretos Cancer Hospital Barretos Brazil
3. Department of Head and Neck Surgery Hospital Erasto Gaertner Paraná Brazil
4. Instituto Nacional do Câncer (INCA) Pontifícia Universidade Católica do Rio de Janeiro Rio de Janeiro Brazil
5. Faculdade de Medicina UniChristus Santa Casa de Misericórdia de Fortaleza Fortaleza Brazil
6. Department of Otolaryngology – Head and Neck Surgery State University of Campinas São Paulo Brazil
7. Department of Head and Neck Surgery and Otolaryngology A C Camargo Cancer Center São Paulo Brazil
8. Head and Neck Surgery Section Instituto Nacional do Câncer (INCA), Pontifícia Universidade Católica do Rio de Janeiro Rio de Janeiro Brazil
9. ClimedCap São Paulo Brazil
10. International Agency for Research on Cancer Lyon France
11. Department of Head and Neck Surgery University of São Paulo Medical School São Paulo Brazil