. 2017 Dec 5;2017:3080547. doi: 10.1155/2017/3080547
Copyright © 2017 Tzu-Lin Yeh et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Flowchart of the trial selection process.