Text and Data Mining valid from 2018-09-03
Received: 6 December 2017
Accepted: 30 July 2018
First Online: 3 September 2018
Ethics approval and consent to participate
: This work is part of a broader project that was approved by Ethics Committee of Universidade Salgado de Oliveira (CAAE: 66060117.6.0000.5289). All participants gave their consent to participate and for publication.
: Not applicable.
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