Institutional Review Board Statement
-11
The study was conducted in accordance with the Declaration of Helsinki, and approved by the Ethics Committee of by the Universidade Federal de Minas Gerais committee (Numbers.: 0537.0.0203.000-11 and 52683916.0.0000.5149 on 22 February 2016) and Prefeitura Municipal de Belo Horizonte committee (Number: 0537.0.0203.410-11A on 20 December 2011).