Le Zhang, Weiping Teng*, Yuhui Liu, Jing Li, Jinyuan Mao, Chenling Fan, Hong Wang, Hongmei Zhang and Zhongyan Shan*
* Corresponding authors: Weiping Teng twpendocrine@yahoo.com.cn - Zhongyan Shan shanzhongyan@medmail.com.cn
BMC Neuroscience 2012, 13:121 doi:10.1186/1471-2202-13-121