. 2020 Dec 9;13(2):2031–2048. doi: 10.18632/aging.202199
Copyright: © 2020 Fang 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.
Flow chart of the study selection process.