Text and Data Mining valid from 2018-09-17
Received: 14 March 2018
Accepted: 6 September 2018
First Online: 17 September 2018
Ethics approval and consent to participate
: The research and interviews were approved by the Ethics Committee of Federal University of Paraiba (UFPB) (Registration numbers CEP/HULW 103/10 and 104/10, CAAE numbers 0146.0.126.000-10 and 0177.0.126.000-10).
: All data were collected under previous consent of each participant.
: The authors declare they have no competing interests.
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