Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Text and Data Mining valid from 2016-08-19
Received: 24 February 2016
Accepted: 26 July 2016
First Online: 19 August 2016
Compliance with ethical standards
: This article does not refer to any studies with human participants performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.
: the authors have no financial relationships relevant to this article to disclose.
: This work was supported by Grants from the National Counsel of Technological and Scientific Development—CNPq (Process: 455106/2014-2).
: The authors have no conflicts of interest relevant to this article to disclose.