Yanying Liu, Rong Mu, Shiyao Wang, Li Long, Xia Liu, Ru Li, Jian Sun, Jianping Guo, Xiaoping Zhang, Jing Guo, Ping Yu, Chunlei Li, Xiangyuan Liu, Zhenyu Huang, Dapeng Wang, Hu Li, Zhifeng Gu, Bing Liu and Zhanguo Li*
* Corresponding author: Zhanguo Li Zgli98@yahoo.com
Arthritis Research & Therapy 2010, 12:R210 doi:10.1186/ar3187