Yijun Meng*, Chaogang Shao, Huizhong Wang and Yongfeng Jin*
* Corresponding authors: Yijun Meng mengyijun@zju.edu.cn - Yongfeng Jin jinyf@zju.edu.cn
BMC Genomics 2012, 13:197 doi:10.1186/1471-2164-13-197