^○Riku Kato, Toshiaki Akita, Hideki Ohshima, Yuji Narita, Masato Mutsuga, Kazurou Fujimoto, Yoshiyuki Tokuda, Yukie Terazawa, Tomo Yoshizumi, Hideki Ito, Wataru Uchida, Hisaaki Munakata, Yasunari Hayashi, Tsukasa Ono, Toshihiko Nishi, Akihiko Usui (Nagoya University Hospital)

^○Satoshi Sakakibara, Takafumi Masai, Hitoshi Suhara, Takashi Yamauchi, Tsubasa Mikami (Sakurabashi Watanabe Hospital, Osaka, Japan)

^○Yoshimasa Kishi¹, Hideo Yoshida¹, Yu Oshima¹, Yuuto Narumiya¹, Shouhei Yokoyama¹, Takuya Kawabata¹, Munehiro Saiki¹, Keiji Yunoki¹, Kunikazu Hisamochi¹, Yuuki Oga², Naoya Sakoda³ (1.Hiroshima City Hospital, Cardiovascular Surgery, Hiroshima, Japan, 2.Hiroshima Teishin Hospital, Surgery, Hiroshima, Japan, 3.Okayama University Hospital, Cardiovascular Surgery, Okayama, Japan)

^○Tsuyoshi Kataoka, Kotaro Shiraga, Hidenori Asada (National Hospital Organization Kyoto Medical Center Cardiovascular Surgery Kyoto Japan)

^○Tadahiro Murakami, Hirokazu Minamimura, Takumi Ishikawa, Shinsuke Kotani (Bellland General Hospital)