Dejun Li*, Zhi Deng, Bi Qin, Xianghong Liu and Zhonghua Men*
* Corresponding authors: Dejun Li djli.rricatas@gmail.com - Zhonghua Men zhonghuamen75@yahoo.com.cn
BMC Genomics 2012, 13:192 doi:10.1186/1471-2164-13-192