“…The mean age pondered by the sample size and excluding systematic reviews and meta-analyses was 51.19 years. The search strategy retrieved three meta-analyses [ 5 , 10 , 15 ], one systematic review [ 23 ], nine randomized clinical trials [ 8 , 11 , 12 , 13 , 19 , 21 , 24 , 25 , 26 ], seven quasi-experimental studies [ 9 , 16 , 17 , 18 , 20 , 22 , 29 ], one cohort study [ 14 ], one case series [ 27 ], and no case–control studies.…”