“…Of the included studies, 13 studies were considered of having a high risk of bias [ 7 , 31 , 32 , 39 , 41 , 43 , 46 , 52 , 53 , 60 , 61 , 63 , 64 ], 16 as moderate risk of bias [ 18 , 29 , 33 , 36 , 37 , 42 , 44 , 45 , 48 – 50 , 55 , 56 , 58 , 59 , 62 ], and 12 studies had a low risk [ 28 , 30 , 34 , 35 , 38 , 40 , 47 , 51 , 54 , 57 , 65 , 66 ] (Table S2).…”