Manabu Kawamoto, Masayoshi Harigai*, Masako Hara, Yasushi Kawaguchi, Katsunari Tezuka, Michi Tanaka, Tomoko Sugiura, Yasuhiro Katsumata, Chikako Fukasawa, Hisae Ichida, Satomi Higami and Naoyuki Kamatani
* Corresponding author: Masayoshi Harigai mharigai.mpha@tmd.ac.jp
Arthritis Research & Therapy 2006, 8:R62 doi:10.1186/ar1928