“…Quality was assessed using the modified Newcastle–Ottawa Scale [ 19 ]. Out of included forty studies, 16 were classified as good quality [ 26 , 27 , 33 – 38 , 45 , 46 , 48 , 49 , 54 , 58 , 59 ] while twenty-four were also classified as satisfied [ 21 – 25 , 28 – 31 , 39 – 44 , 47 , 50 – 53 , 55 – 57 , 60 ]. Twenty-four articles were done on the adult population [ 22 , 23 , 25 , 26 , 28 – 30 , 36 , 38 , 42 – 44 , 46 , 48 – 50 , 55 , 57 – 59 ], five articles were done only adolescents [ 31 , 39 , 41 , 47 , 60 ], three research articles were also done on children [ 34 , 53 , 54 ], and finally, eight articles were done on both children and adolescents [ 21 , 24 , 27 , 33 , 37 , 45 , 52 , 56 ] as shown in Table 1 .…”