. 2016 May 24;2016:3961450. doi: 10.1155/2016/3961450
Copyright © 2016 Jia-Qi Bi 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.
Flow of participants through the trial.