“…Most studies used observational or quasi-experimental designs, including 11 uncontrolled before-and-after studies, 35 – 37 , 46 , 50 , 53 , 55 , 60 – 62 , 64 five controlled before-and-after studies, 42 , 44 , 57 , 58 , 65 one prospective cohort study, 63 four retrospective cohort studies, 45 , 51 , 52 , 54 four case series, 32 – 34 , 41 three non-randomized cluster trials, 48 , 56 , 59 one interrupted time-series analysis 49 and one cross-sectional study. 47 Experimental studies included two randomized controlled trials 38 , 39 and two cluster randomized controlled trials. 40 , 43 …”