Text and Data Mining valid from 2019-01-07
Received: 12 September 2018
Accepted: 28 December 2018
First Online: 7 January 2019
Ethics approval and consent to participate
: For the present project secondary data are used, having its access and public use unrestricted, and no need for ethical appreciation of the Research Ethics Committee according to the terms of Resolution of the Brazilian National Health Council (CNS) No. 510 of April 7, 2016.
: Not Applicable.
: The authors declare that they have no competing interests.
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