Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de Minas Gerais (APQ-02924-16)
MASWeb (FAPEMIG/PRONEX APQ-01400-14)
STIC AmSud (18-STIC-07)
Text and Data Mining valid from 2018-09-03
Received: 5 January 2018
Accepted: 20 June 2018
First Online: 3 September 2018
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.