Chiyoko Sekine*, Akemi Koyanagi, Noriko Koyama, Katsuto Hozumi, Shigeru Chiba and Hideo Yagita
* Corresponding author: Chiyoko Sekine csekine@juntendo.ac.jp
Arthritis Research & Therapy 2012, 14:R45 doi:10.1186/ar3758