. 2012 Dec 17;13(Suppl 8):S14. doi: 10.1186/1471-2164-13-S8-S14
Copyright ©2012 Zeng 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.