Text and Data Mining valid from 2018-11-20
Received: 4 January 2018
Accepted: 13 June 2018
First Online: 20 November 2018
Ethics approval and consent to participate
: This study was approved by the Research Ethics Committee of the Federal University of Minas Gerais Triangle (CEP-UFTM) under the protocol number 1376.
: Not applicable.
: The authors declare that they have no competing interests.
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