“…Twenty one studies were conducted in Australia [ 6 , 7 , 85 , 89 , 90 , 92 – 94 , 97 – 99 , 101 , 102 , 105 , 106 , 117 , 119 , 122 , 126 , 129 , 134 ], seven in Japan [ 95 , 107 , 118 , 121 , 131 , 132 , 136 ], five in Finland [ 87 , 96 , 123 , 124 , 127 ], four in the USA [ 86 , 91 , 100 , 112 ], two in Brazil [ 128 , 130 ], Turkey [ 109 , 120 ], The Netherlands [ 113 , 115 ], India [ 114 , 135 ], Nigeria [ 116 , 133 ], and China [ 104 , 110 ], and one each in, Korea [ 125 ], Slovenia [ 103 ], Norway [ 88 ], United Kingdom [ 100 ], Sweden [ 111 ], Mexico [ …”