Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (132562/2016-2)
Text and Data Mining valid from 2019-01-15
Received: 8 May 2018
Accepted: 2 January 2019
First Online: 15 January 2019
Ethics approval and consent to participate
: The study was approved by the local research ethics committee (Ethics Committee of the Pontifical Catholic University of Rio Grande do Sul - PUCRS) under protocol approval number CAEE: 50096515.0.0000.5336. All participants signed an informed consent form. There was no financial compensation for participation.
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