^○Satoshi Miyamoto¹, Shinya Takahashi², Tsukasa Nakao¹, Kazuki Matsumoto¹, Masaru Yoshino¹, Haruki Syouji¹, Hidetoshi Saitou¹, Takanobu Okazki², Shohei Morita², Masazumi Watanabe², Yoshitaka Yamane², Keijiro Katayama², Tatsuya Kurosaki², Taijiro Sueda² (1.Hiroshima University Hospital,Hiroshima,Japan, 2.Department of Surgery, Institute of Biomedical and Health Sciences, Hiroshima University)

^○Shintaroh Koizumi, Kozo Matsuo, Naoki Hasashida, soichi Asano, msashi Kabasawa, shinichiro Abe, hideomi Hasegawa, Hiroki Ikeuchi, takahiro Ito, hirokazu Murayama (Chiba cerebral and cardiovascular center)

^○Ryoji Kinoshita, Susumu Manabe, Daiki Hirayama, Norihisa Yuge, Hidetoshi Uchiyama, Soutarou Katsui, Masahiro Oonuki, Kazunobu Hirooka (Tsuchiura Kyodo General Hospital Department of Cardiovascular Surgery)

^○Takafumi Terada, Yoshimori Araki, Akihiro Kobayashi, Osamu Kawaguchi (Department of Cardiac Surgery, Toyota Kosei Hospital)

^○Shusaku Maeda¹, Hidetsugu Asano², Koichi Toda¹, Shigeru Miyagawa¹, Yasushi Yoshikawa¹, Hiroki Hata¹, Daisuke Yoshioka¹, Satoshi Kainuma¹, Takuji Kawamura¹, Ai Kawamura¹, Shohei Yoshida¹, Takayoshi Ueno¹, Takashi Shibuya¹, Tour Kuratani¹, Yoshiki Sawa¹ (1.Osaka University, Suita, Japan, 2.Osaka University, Suita, Japan)

^○Atomu Hino, Akira Shiikawa, Susumu Hosoda, Takesi Katsube (Sendai Cardiovascular Center)

^○Yuta Koichi, ryohei Ushioda, Keisuke Kamada, Naohiro Wakabayashi, Chiharu Tanaka, Sentaro Nakanishi, Natsuya Ishikawa, Hiroyuki Kamiya (Department of Cardiac Surgery, Asahikawa Medical University, Asahikawa, Japan)