. 2014 Mar 16;2014:762986. doi: 10.1155/2014/762986
Copyright © 2014 K. M. Volkers and E. J. A. Scherder.
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 participants.