. 2012 Oct 3;5:548. doi: 10.1186/1756-0500-5-548
Copyright © 2012 Pauwels et al.; licensee BioMed Central Ltd.
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 2.
Flow-diagram of participants through the study phases.