1. Epidemiology Departament, School of Public Health, Universidade de São Paulo, São Paulo - SP, Brazil
2. Graduate Program in Public Health Universidade Federal do Espírito Santo, Vitória - ES, Brazil
3. Research Group on Epidemiology, Health and Nutrition, Universidade Federal do Espírito Santo, Vitória - ES, Brazil
4. Head and Neck Oncology Departament, Barretos Cancer Hospital, Barretos – SP, Brazil
5. Department of Pathological Anatomy, Cancer Institute (ICESP), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo - SP, Brazil