“…Another 38 articles were found in the gray literature, 19 by a senior expert indication [ 19 , 39 , 89 , 117 , 118 , 119 , 120 , 121 , 122 , 123 , 124 , 125 , 126 , 127 , 128 , 129 , 130 , 131 , 132 ], and 19 from searching citations [ 38 , 48 , 133 , 134 , 135 , 136 , 137 , 138 , 139 , 140 , 141 , 142 , 143 , 144 , 145 , 146 , 147 , 148 , 149 ], resulting in a total of 142 articles for the scoping review, according to the study workflow in Figure 1 . Another 21 articles were used to describe the essential definitions in Section 2.2.1 and Section 3 [ 1 , 17 , 20 , 21 , 42 , 46 , 91 , …”