Jun Yan, Qian Lu, Jiahong Dong*, Xiaowu Li*, Kuansheng Ma and Lei Cai
* Corresponding authors: Jiahong Dong dongjh301@163.com - Xiaowu Li Lixw2004@yahoo.com.cn
BMC Cancer 2012, 12:353 doi:10.1186/1471-2407-12-353