Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de São Paulo (2013/19268-3)
Text and Data Mining valid from 2019-06-29
Received: 14 May 2018
Accepted: 17 June 2019
First Online: 29 June 2019
Ethics approval and consent to participate
: The study was conducted in accordance with the Resolution 466 of December 08, 2012, of the National Health Council of Brazil. Ethical approval for this study was obtained from the Ethics and Clinical Research Committee of Universidade Federal de São Paulo - Protocol 304.754/2013. The informed consent obtained was written.
: Not applicable.
: The authors declare that they have no conflict of interest.