1. Department of EpidemiologyNational School of Public HealthOswaldo Cruz Foundation (Fiocruz) Rio de Janeiro Brazil
2. Department of EpidemiologyInstitute of Social MedicineRio de Janeiro State University Rio de Janeiro Brazil
3. Department of Community and Preventive DentistryFaculty of DentistryRio de Janeiro State University Rio de Janeiro Brazil
4. Instituto de Estudos em Saúde ColetivaUniversidade Federal do Rio de Janeiro Rio de Janeiro Brazil