Study Design
The present study followed a systematic review model. After literary search criteria using the MeSH Terms that were cited in the item below on “Search strategies”, a total of 58 clinical studies were compared that were submitted to the eligibility analysis and, after that, 26 studies were selected (official documents do Brazil, WHO and scientific articles), following the rules of systematic review - PRISMA (Transparent reporting of systematic reviews and meta-analyzes-https: //www.prisma-statement.org/).