A total of 887 potential articles were retrieved from the databases. After removing duplicate literature, the title and abstract were screened. Subsequently, 21 publications,13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 were identified as eligible for inclusion in this review according to the defined criteria for the subjects, intervention, outcome, and study design (Figure 1).

Table 1 summarizes the demographic characteristics of the 21 RCTs included in the