Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (Universal-CNPq 480291/2011-0)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Text and Data Mining valid from 2019-03-30
Received: 25 January 2019
Accepted: 21 March 2019
First Online: 30 March 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All procedures performed in this study involving human participants were in accordance with international ethical standards and were approved by the Comité de Ética em Pesquisa Envolvendo Seres Humanos do Centro de Ciências da Saúde da Universidade Federal de Pernambuco (CAAE 06586612.9.0000.5208—No. 140.876).
: Written informed consent was obtained from all participants included in this study.