^○Yasuhisa Oishi, Satoshi Kimura, Hiromichi Sonoda, Tomoki Ushijima, Satoshi Fujita, Hideki Tatewaki, Yoshihisa Tanoue, Akira Shione (Department of Cardiovascular Surgery, Kyushu University Hospital)

^○Kazumasa Tsuda, Norihiko Shiiya, Katsuji Yamashita, Naoki Washiyama, Daisuke Takahashi, Yumi Kandou, Yuko Ohashi (Hamamatsu University School of Medicine)

^○Shinya Takase, Hirono Satokawa, Hiroki Wakamatsu, Yoshiyuki Sato, Hiroyuki Kurosawa, Yuki Seto, Takashi Igasrashi, Akihiro Yamamoto, Tsuyoshi Fujimiya, Keiichi Ishida, Hitoshi Yokoyama (Fukushima Medical University, School of Medicine)

^○Yoshikazu Fujiwara, Yoshinobu Nakamura, Yousuke Ikeda, Nozomi Kishimoto, Hiromu Horie, Yuki Otsuki, Takeshi Onohara, Yuichiro Kishimoto, Shingo Harada, Motonobu Nishimura (Tottori University Hospital, Department of Cardiovascular Surgery)

^○Hiroyuki Yamamoto¹, Kenji Toyokawa¹, Itsumi Imagama¹, Keisuke Kawaida¹, Shuji Nagatomi¹, Goichi Yotsumoto², Kazuya Terazono², Kenichi Arata³, Yoshikazu Kawazu³, Yutaka Imoto¹ (1.Cardiovascular and Gastroenterological Surgery, Kagoshima University Graduate School of Medical and Dental Sciences, 2.Cardiovascular Surgery, Kagoshima City Hospital, 3.Cardiovascular Surgery, National Hospital Organization Kagoshima Medical Center)

^○Yoshitaka Yamane, Takanobu Okazaki, Shohei Morita, Masazumi Watanabe, Keijiro Katayama, Shinya Takahashi, Tatsuya Kurosaki, Taijiro Sueda (Department of Cardiovascular Surgery, Hiroshiama University)