“…According to the intervention evaluated in each systematic reviews, the whole of the systematic reviews were classified into three groups: (a) systematic reviews about physical activity only: n = 16 (45.7%) [ 19 , 24 , 33 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 ]; (b) systematic reviews containing information about diet exclusively: n = 4 (11.4%) [ 25 , 34 , 49 , 50 ]; and (c) systematic reviews with information about both types of interventions, diet and physical activity: n = 15 (42.9%) [ 18 , 20 , 22 , 23 , 31 , 35 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 ].…”