. 2013 Dec 7;2013:795140. doi: 10.1155/2013/795140
Copyright © 2013 Meng-Heng Hsieh 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 patients in the study cohort.