About the Authors

Haroldo Neves de Paiva

Affiliation Department of Dentistry, Federal University of Jequitinhonha and Mucuri Valleys, 39100-000, Diamantina, Brazil

Paula Cristina Pelli Paiva

paulacpp@ig.com.br

Affiliation Department of Child and Adolescent Health, Federal University of Minas Gerais, 30130-100, Belo Horizonte, Brazil

Carlos José de Paula Silva

Affiliation Department of Dentistry, Federal University of Jequitinhonha and Mucuri Valleys, 39100-000, Diamantina, Brazil

Joel Alves Lamounier

Affiliation Department of Child and Adolescent Health, Federal University of Minas Gerais, 30130-100, Belo Horizonte, Brazil

Efigênia Ferreira e Ferreira

Affiliation Department of Public Oral Health, School of Dentistry, Federal University of Minas Gerais, 31270-901, Belo Horizonte, Brazil

Raquel Conceição Ferreira

Affiliation Department of Public Oral Health, School of Dentistry, Federal University of Minas Gerais, 31270-901, Belo Horizonte, Brazil

Ichiro Kawachi

Affiliation Department of Social and Behavioral Sciences, Harvard School of Public Health and Medical School, 617495.1000, Harvard, Boston, MA, United States of America

Patrícia Maria Zarzar

Affiliation Pediatric Dentistry and Orthodontics, School of Dentistry, Federal University of Minas Gerais, 31270-901, Belo Horizonte, Brazil

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PMZ PCPP. Performed the experiments: PCPP HNP. Analyzed the data: PMZ RCF. Contributed reagents/materials/analysis tools: PMZ PCPP HNP EFF RCF CJPS JAL. Wrote the paper: PMZ PCPP HNP EFF RCF CJPS JAL IK. Performed a critical review of the manuscript: PMZ PCPP HNP EFF RCF CJPS JAL IK.