“…Finally, 26 studies met the inclusion criteria and were included in the meta‐analysis and review. 10 , 11 , 12 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 A detailed flow diagram of the study selection is shown in Figure 1 .…”