Hiroshi Kubota*, Hidehito Endo, Mio Noma, Hiroshi Tsuchiya, Akihiro Yoshimoto, Yu Takahashi, Yusuke Inaba, Mitsuru Matsukura and Kenichi Sudo
* Corresponding author: Hiroshi Kubota kub@ks.kyorin-u.ac.jp
Journal of Cardiothoracic Surgery 2012, 7:54 doi:10.1186/1749-8090-7-54