. 2015 Jan 28;2015:412618. doi: 10.1155/2015/412618
Copyright © 2015 A. Herrmann and R. L. De Wilde.
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.
CONSORT flow diagram: patient inclusion.