“…Regarding the origin, seven studies were conducted in Brazil (11,(13)(14)(16)(17)(18)(19) , four studies in Portugal (2,15,(20)(21) and two studies in the United States of America (12,22) , one in Australia (23) and one in Japan (24) . The 15 studies selected used qualitative methodology, namely two randomized controlled clinical trials (13,15) , one cohort study (22) , three correlational studies (16,18,23) , eight descriptive studies (11)(12)14,17,(19)(20)(21)24) and one systematic literature review without meta-analysis (2) . Of the analyzed studies, two had level of evidence 1 (18,20) , four had level of evidence 3 (14,17,(22)(23) , eight had level of evidence 4 (11)(12)(13)(15)(16)19,21,24) , and one had level of evidence 5 (2) .…”