The relevant studies were selected using an electronic search in five databases from the health area, namely: Medical Literature Analysis and Retrieval System Online MEDLINE/PUBMED, Latin American and Caribbean Health Sciences Literature LILACS/BIREME, Cochrane Database COCHRANE DATABASE, Cumulative Index to Nursing and Allied Health Literature CINAHL, Web of Science WEB OF SCIENCE and Scientific Electronic Library Online SciELO.
Los estudios relevantes fueron seleccionados por medio de búsqueda electrónica en cinco bases de datos del área de la salud, que fueron: Medical Literature Analysis and Retrieval System Online MEDLINE/PUBMED, Literatura Latino-Americana y del Caribe en Ciencias de la Salud LILACS/BIREME, Cochrane Database COCHRANE DATABASE, Cumulative Index to Nursing and Allied Health Literature CINAHL, Web of Science WEB OF SCIENCE y Scientific Electronic Library Online SciELO.
Os estudos relevantes foram selecionados por meio de busca eletrônica em cinco bases de dados da área da saúde, a saber: Medical Literature Analysis and Retrieval System Online MEDLINE/PubMed, Literatura Latino-Americana e do Caribe em Ciências da Saúde LILACS/BIREME, Cochrane Database COCHRANE DATABASE, Cumulative Index to Nursing and Allied Health Literature CINAHL, Web of Science WEB OF SCIENCE e Scientific Eletronic Library OnlineSciELO.