. 2013 Oct 21;3:22. doi: 10.1186/2191-1991-3-22
Copyright © 2013 Kruse and Christensen; licensee Springer.
This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Creation of data for analysis.