Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (3053068/2014)
Fundação de Amparo à pesquisa do Estado de São Paulo (2015/03756-4)
Text and Data Mining valid from 2019-05-07
Received: 5 January 2019
Revised: 15 April 2019
Accepted: 22 April 2019
First Online: 7 May 2019
Compliance with ethical standards
: This study was approved by the local research ethics committee (no. 1.627.446).
: All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.