Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (PRO-FORENSE 25/2014)
Text and Data Mining valid from 2018-10-15
Received: 30 August 2018
Accepted: 9 October 2018
First Online: 15 October 2018
Compliance with ethical standards
: The funders had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.
: The authors declare that they have no conflict of interest.