Funding for this research was provided by:
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro (202.941/2016)
Text and Data Mining valid from 2018-12-10
Received: 30 July 2018
Accepted: 3 December 2018
First Online: 10 December 2018
Compliance with ethical standards
: On behalf of all authors, the corresponding author states that there is no conflict of interest.