. 2015 Jan 24;10(1):e0116753. doi: 10.1371/journal.pone.0116753
© 2015 Ling et al
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
Figure 1. Flowchart of the data analysis strategy.
