Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (88887.144662/2017-00)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (308250/2015-0)
Text and Data Mining valid from 2019-11-09
Received: 14 August 2019
Accepted: 24 October 2019
First Online: 9 November 2019
Ethics approval and consent to participate
: The project was evaluated and approved by the Health Education Management of the Municipal Secretariat of Health of João Pessoa, Paraíba, Brazil, according to process nº 17.868/2014.
: Not applicable.
: The authors declare that they have no competing interests.