Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Text and Data Mining valid from 2019-03-13
Received: 30 April 2018
Accepted: 31 January 2019
First Online: 13 March 2019
Compliance with ethical standards
: The authors of this manuscript declare no conflict of interest.
: The local Human Research Ethics Committee approved the study (Protocol No. 44972915.9.0000.0110), procedures were conducted in accordance with the Declaration of Helsinki, and the participants signed an informed consent form.