Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de São Paulo (proc. nº 2008 / 56247-6)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Text and Data Mining valid from 2019-05-09
Received: 1 February 2019
Accepted: 25 April 2019
First Online: 9 May 2019
Ethics approval and consent to participate
: Not applicable.
: All the authors consented for the publication of this manuscript.
: The authors declare that they have no competing interests.