Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (023/2014 CAPES/DINTER)
Received: 21 January 2020
Accepted: 20 April 2020
First Online: 28 April 2020
Ethics approval and consent to participate
: The project was approved by the Palmas Municipal Departments of Education and Health and by the Research Ethics Committee of the <i>Universidade Federal de Viçosa</i> (n° 2.733.549). Written agreement and consent were obtained from legal guardians and minors, respectively.
: Not Applicable.
: The authors declare that they have no competing interests.