“…As detailed in Table 1 , the age varied across the studies. Two studies recruited adolescents [ 28 , 29 ], whereas the others recruited children aged between 5 and 12 years [ 27 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 ]. Most studies recruited significantly higher percentages of boys with ADHD than girls [ 27 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 ], whereas two studies recruited all female adolescents with ADHD as participants [ 28 , 29 ].…”