“…Most studies were conducted in the USA [ 18 , 22 , 51 , 53 , 58 , 61 – 63 , 66 , 82 , 87 ] and Australia [ 33 , 49 , 50 , 70 , 75 , 76 , 95 , 96 , 98 , 100 ]. A total of 21 studies were conducted across Europe (Belgium [ 71 – 73 , 90 , 91 ], Finland [ 48 , 88 , 97 , 99 ], Portugal [ 19 , 64 , 80 ], Denmark [ 59 , 84 ], Greece [ 89 , 93 ], Germany [ 101 ], Ireland [ 81 ], Italy [ 57 ], Northern Ireland [ 83 ] and Norway [ 92 ]), eight in Asia (Hong Kong [ 52 , 55 , 69 ], Bangladesh [ 85 ], India [ 67 ], Indonesia [ 68 ], Japan [ 54 ] and Pakistan [ 74 ]), five in Canada [ 56 , 65 , 77 , 79 , 94 ], two in Brazil [ 23 , 60 ] and a single study each from Israel [ 86 ] and South Africa [ 78 ]. Most study designs were cross-sectional [ 18 , 19 , 22 , 23 , 33 , 49 , 5...…”