Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (Felloship, 307144/2013-5, Scholarship)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Finance Code 001)
Text and Data Mining valid from 2019-10-28
Received: 6 May 2019
Accepted: 13 October 2019
First Online: 28 October 2019
Compliance with ethical standards
: This article does not include any studies with human participants or animals performed by any of the authors.
: This article does not involve any informed consent.
: All authors hereby declare that there is no conflict of interest.