About the Authors

Tássia Fraga Bastos

tassiafraga@yahoo.com.br

Affiliation Department of Public Health, School of Medical Sciences, State University of Campinas, Campinas, São Paulo, Brazil

Ana Maria Canesqui

Affiliation Department of Public Health, School of Medical Sciences, State University of Campinas, Campinas, São Paulo, Brazil

Marilisa Berti de Azevedo Barros

Affiliation Department of Public Health, School of Medical Sciences, State University of Campinas, Campinas, São Paulo, Brazil

Competing Interests

The authors have declared that no competing interests exist

Author Contributions

Conceived and designed the experiments: TFB. Performed the experiments: TFB MBAB. Analyzed the data: TFB. Contributed reagents/materials/analysis tools: TFB. Wrote the paper: TFB MBAB AMC.