. 2012 May 29;13:54. doi: 10.1186/1471-2202-13-54
Copyright ©2012 Derntl 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.