Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (001)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (309236/2018-5)
Wellcome Trust (095582/Z/11/Z)
Text and Data Mining valid from 2019-12-01
Received: 25 April 2019
Accepted: 4 December 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the School of Physical Education Ethics Committee at the Federal University of Pelotas (CAAE registration number: 26746414.5.0000.5313). A written consent document was signed by each parent or caregiver before data collection.
: Not applicable.
: The authors declare that they have no competing interests.