. 2012 Aug 13;7(8):e42323. doi: 10.1371/journal.pone.0042323
© 2012 Buu 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. Study flow chart of patient inclusion.
