“…As regards quality assessment results, 28 papers had a quality score between 0.81 and 1 [ 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 ], 10 papers were between 0.61 and 0.8 [ 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 ] and only one paper was below 0.6 [ 74 ]. Overall, the checklist items that reported the lower levels of scoring (e.g., partial or no score) were those concerning (a) the adequacy of sample size (16 papers), (b) the description/appropriateness of the strategy of subject/comparison group selection (10 papers).…”