^○TAISHI FUJII, Tamaki Takano, Yusuke Date, Takamitu Terasaki, Masayuki Sakaguchi (Department of Cardiovascular Surgery, Nagano red cross hospital, Nagano, Japan)

^○Yokose Shogo, Takashi Miura, Ichiro Matsumaru, shun Nakaji, Kikuko Obase, Yuuichi Tasaki, Takashi Shimada, Hiroko Taguchi, Tatuya Miyanaga, Masayuki Takura, Kiyoyuki Eishi (Nagasaki University)

^○Yosuke Takahashi, Takashi Murakami, Hiromichi Fujii, Akimasa Morisaki, Yoshito Sakon, Kokoro Yamane, Noriaki Kishimoto, Toshihiko Shibata (Osaka CIty University)

^○Toshitaka Watanabe, Kazuma Okamoto, Ryo Toma, Hironobu Sugiyama, Takuya Misato, Taro Hayashi, Satoshi Tobe (Akashi medical center)

^○Soh Hosoba, Yuichiro Fukumoto, Yoshihiro Goto, Satoshi Sumino, Yasuhide Ohkawa (Toyohashi Heart Center, Toyohashi, Japan)

^○Hiroya Kano¹, Hiroya Kano¹, Kazuma Okamoto², Takeshi Morishima², Satoshi Tobe² (1.Morinomiya University of Mwdical Sciences, 2.Akashi medical center)