Peng Zou*, Aihua Gu, Guixiang Ji, Lin Zhao, Peng Zhao* and Ailin Lu*
* Corresponding authors: Peng Zou isdwhzp@126.com - Peng Zhao zhaopeng@njmu.edu.cn - Ailin Lu luailin.eric@163.com
BMC Cancer 2012, 12:7 doi:10.1186/1471-2407-12-7