Received: 9 July 2019
Accepted: 15 November 2019
First Online: 2 December 2019
Ethics approval and consent to participate
: Project approved by the Ethics and Research Committee of UFMG- (ETIC.0100.0.203.000–11).All participants signed a consent agreeing to participate in the study, according to the principles’ Declaration of Helsinki (1969).
: The authors declare that they have no competing interests.