Oliveira, Raphael Gonçalves de
Guedes, Dartagnan Pinto
Article History
Received: 23 February 2017
Accepted: 29 January 2018
First Online: 7 February 2018
Ethics approval and consent to participate
: The intervention protocols used followed the Declaration of Helsinki and were approved by the Research Ethics Committee of the Universidade Norte do Paraná – UNOPAR (Opinion 1.302.963). Written informed consent to participate in the study was obtained from the participants (or their parent or guardian in the case of adolescents under 18 years).
: Not applicable.
: The authors declare that they have no competing interests.
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