. 2017 Jul 22;8(41):69916–69923. doi: 10.18632/oncotarget.19455
Copyright: © 2017 Zhang et al.
This is an open-access article distributed under the terms of the Creative Commons Attribution License 3.0 (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Figure 1. Study flow diagram of included studies.
