Shin-ichiro Maruya*, Takashi Shirasaki, Takahiko Nagaki, Seiji Kakehata, Hidekachi Kurotaki, Hiroki Mizukami and Hideichi Shinkawa
* Corresponding author: Shin-ichiro Maruya marucell@hotmail.com
BMC Cancer 2009, 9:72 doi:10.1186/1471-2407-9-72