. 2017 Oct 5;8(58):99066–99074. doi: 10.18632/oncotarget.21524
Copyright: © 2017 Shi et al.
This article is distributed under the terms of the Creative Commons Attribution License (CC-BY), which permits unrestricted use and redistribution provided that the original author and source are credited.
Figure 1. Flow diagram of the study selection process.
