. 2011 Nov 22;5(Suppl 8):P18. doi: 10.1186/1753-6561-5-S8-P18
Copyright ©2011 Shirahata 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.