Tsuyuka Ohtsuki, Manami Kodaka, Rumi Sakai, Fuminobu Ishikura, Yoichiro Watanabe, Anthony Mann, Mark Haddad, Mitsuhiko Yamada and Masatoshi Inagaki*
* Corresponding author: Masatoshi Inagaki minagaki@ncnp.go.jp
BMC Research Notes 2012, 5:441 doi:10.1186/1756-0500-5-441