. 2015 Jan 22;2015:521756. doi: 10.1155/2015/521756
Copyright © 2015 Toshihiko Sagawa 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.
Patient flow during the study (CONSORT diagram).