Fan Li*, Lei Wang, Ji-Wei Li, Min Gong, Liang He, Rui Feng, Zhen Dai and Shu-Qing Li*
* Corresponding authors: Fan Li leefan623@sina.com - Shu-Qing Li shuqing28@hotmail.com
BMC Neuroscience 2011, 12:111 doi:10.1186/1471-2202-12-111