Meta-Analysis
Copyright ©The Author(s) 2015.
World J Meta-Anal. Apr 26, 2015; 3(2): 118-124
Published online Apr 26, 2015. doi: 10.13105/wjma.v3.i2.118
Figure 1
Figure 1 Flow diagram of the number of studies identified, the number excluded and the reasons for exclusions, and the final number of studies included in the systematic review and meta-analysis.