Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (312876/2018-1, 315580/2018-6)
Received: 20 January 2019
Accepted: 10 April 2020
First Online: 19 May 2020
Ethics approval and consent to participate
: The study was approved by the Ethics and Research Committee of the responsible institution (number 1.541.241). The consent form model followed the Brazilian model for informed consent and was approved by the responsible Ethics Committee.
: Not applicable
: The authors declare that they have no competing interests.