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Authors
Bibiano, Alana Maiara Brito http://orcid.org/0000-0003-4196-6197
de Lima Silva, Vanessa
da Silveira Moreira, Rafael
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Article History
Received: 4 July 2018
Accepted: 24 June 2019
First Online: 2 July 2019
Ethics approval and consent to participate
: The National Health Survey (PNS) was approved by the National Ethics Commission for Research on Human Subjects of the National Health Council, with registration number 328,159 on 26th June 2013. The Free Informed Consent forms of survey participants were signed on the interviewers’ handheld computers. The research project of this article is exempt from submission to the Research Ethics Committee since it was based on secondary data in the public domain.
: Not applicable.
: The authors declare that they have no competing interests.
