Published on in Vol 8, No 9 (2019): September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/13656, first published
.
1 Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru School of Dentistry, University of São Paulo, Bauru, Brazil
2 Discipline of Public Health, School of Medicine, Federal University of Fronteira Sul, Chapecó, Brazil
*all authors contributed equally