About the Authors

Francisco Rogerlândio Martins-Melo, Carlos Henrique Alencar, Alberto Novaes Ramos Jr., Jorg Heukelbach
Department of Community Health, School of Medicine, Federal University of Ceará, Fortaleza, Brazil

Jorg Heukelbach
School of Public Health, Tropical Medicine and Rehabilitation Sciences, Anton Breinl Centre for Public Health and Tropical Medicine, James Cook University, Townsville, Australia

Corresponding Author

heukelbach@web.de

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FRM-M JH CHA ANR. Performed the experiments: FRM-M JH CHA ANR. Analyzed the data: FRM-M JH CHA ANR. Contributed reagents/materials/analysis tools: FRM-M JH CHA ANR. Wrote the paper: FRM-M JH CHA ANR.