Xiaoqiang Sun, Le Zhang*, Hua Tan, Jiguang Bao, Costas Strouthos and Xiaobo Zhou*
* Corresponding authors: Le Zhang zhangle@mtu.edu - Xiaobo Zhou XZhou@tmhs.org
BMC Bioinformatics 2012, 13:218 doi:10.1186/1471-2105-13-218