In order to select the articles, we used the following portals and databases: U.S. National Library of Medicine PUBMED, Virtual Library for Health BVS, SciELO, The Cochrane Library Cochrane, SCOPUS and ISI Web of Science.
Para la selección de los artículos, fueron utilizados los siguientes portales y/o bases de datos: U.S. National Library of Medicine PUBMED, Biblioteca Virtual en Salud BVS, SciELO, The Cochrane Library Cochrane, SCOPUS e ISI Web of Science.
Para a seleção dos artigos, foram utilizados os seguintes portais e/ou bases de dados: U.S. National Library of Medicine PUBMED, Biblioteca Virtual em Saúde BVS, SciELO, The Cochrane Library Cochrane, SCOPUS e ISI Web of Science.