Affiliation: | 1. Post-Graduate Program in Public Health, Federal University of Maranhão, São Luís, Maranhão, Brazil;2. Post-Graduate Program in Public Health, Federal University of Maranhão, São Luís, Maranhão, Brazil Post-Graduate Program in Dentistry, Federal University of Maranhão, São Luís, Maranhão, Brazil;3. Post-Graduate Program in Dentistry, Federal University of Maranhão, São Luís, Maranhão, Brazil |