“…Finally, a total of 24 studies were included for analysis ( Figure 1 ) . Most studies had either a low risk [ 6 , 9 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 ] or moderate risk of bias [ 10 , 11 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 ] ( Supplementary Table S2 ). Most studies were reported from the European region (37.5%), followed by the Americas region (29.2%), Western Pacific region (20.8%), Eastern Mediterranean region (8.3%), and African region (4.2%).…”