Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de Minas Gerais (PPM0126-15)
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Text and Data Mining valid from 2018-09-21
Received: 26 March 2018
Accepted: 20 August 2018
First Online: 21 September 2018
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