. 2020 Nov 4;12(21):21355–21375. doi: 10.18632/aging.103881
Copyright: © 2020 Ren et al.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Figure 1.
Flowchart of included studies for the meta-analysis.