Shuji Obata, Koji Akeda*, Takao Imanishi, Koichi Masuda, Won Bae, Ryo Morimoto, Yumiko Asanuma, Yuichi Kasai, Atsumasa Uchida and Akihiro Sudo
* Corresponding author: Koji Akeda k_akeda@clin.medic.mie-u.ac.jp
Arthritis Research & Therapy 2012, 14:R241 doi:10.1186/ar4084