^○Norikazu Oshiro¹, Tskeki Ohashi¹, Masao Tadakoshi¹, Akinori Kojima¹, Noriko Kodani¹, Ryou Kawasumi¹, Takumi Yamaguchi¹, Ryousuke Kametani², Hidekazu Aoyama², Miyuki Andou², Akimitu Tanaka², Shingo Yoshioka², Shin Hasegawa² (1.Nagoyatokushukai general hospital, 2.cardiovascular medicine)

^○Yuki Ichihara, Tomohiro Nishinaka, Kei Iizuka, Yuta Kume, Masahide Komagamine, Koji Aze, Atomu Hino, Shintaro Sawa, Satoshi Saito, Shinichi Nunoda, Hiroshi Niinami (Department of Cardiovascular Surgery, Tokyo Women's Medical University)

^○Hideo Kanemitsu, Kenji Minatoya, Kazuhiro Yamazaki, Kazuhisa Sakamoto, Masahide Kawatou, Jiro Sakai, Masafumi Kudo, Makoto Nakamura, Ryo Yamamoto, Yuta Kitagata, Yujiro Ide, Tadashi Ikeda (Kyoto University)

^○SHIGEKI YOKOYAMA, YUSHI KATAGIRI, Hayato Obi, Toshio Doi, Kazuaki Fukahara, Naoki Yoshimura (Departement of Surgery 1 Faculty of Medicine, University of Toyama)