“…seven random controlled clinical trials, two quasi-experimental studies, 20 cohort studies, and 27 descriptive studies. Of the analysed (29,41,45,58,63,75) and seven were randomized clinical trials with a Ib level of evidence (21,23,37,55,65,69,71) . The quasi-experimental studies were two, one with a IIa (17) (22,(24)(25)28,(31)(32)34,40,(42)(43)(44)(46)(47)(51)(52)(53)(59)(60)70,77) and 27 descriptive and correlational studies (16, 18,20,26-27,30,33,35-36,38-39,48-50,54,57,61-62,64,66-68,72-74,76).…”