Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Fundação de Amparo à Pesquisa do Estado de Minas Gerais
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Text and Data Mining valid from 2018-06-18
Received: 7 December 2017
Accepted: 17 April 2018
First Online: 18 June 2018
: The authors declare that they have no competing interests.
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