^○Masaki Komatsu, KAI MACHIDA, TORU MIKOSHIBA, HARUKI TANAKA, HAJIME ICHIMURA, TAKATERU YAMAMOTO, TOSHIHITO GOMIBUCHI, NOBUROU OHASHI, YUKO WADA, TATSUICHIROU SETO, KENJI OKADA (Department of Cardiovascular Surgery,Shinshu University School of Medicine,Nagano,Japan)

^○Eisaku Ito¹, Naoki Toya¹, Ryosuke Nishie¹, Takeyuki Misawa², Takao Ohki³ (1.Division of Vascular Surgery, The Jikei University Kashiwa Hospital, Chiba, Japan, 2.Department of Surgery, The Jikei University Kashiwa Hospital, Chiba, Japan, 3.Department of Vascular Surgery, The Jikei University School of Medicine, Tokyo, Japan)

^○Yasuyuki Bito, Takanobu Aoyama, Masanori Sakaguchi, Kenta Nishiya, Goki Inno, Atsutaka Aratame, Yasuyuki Sasaki (Osaka City General Hospital, Osaka, Japan)

^○Shota Hasegawa, Motoharu Kawashima, Kanetsugu Nagao, Takanori Tsujimoto, Yoshikatsu Nomura, So Izumi, Masamichi Matsumori, Hirohisa Murakami, Tasuku Honda, Nobuhiko Mukohara (Hyogo Brain and Heart Center)

^○Hiroyuki Morishita, Masahiko Ezure, Yutaka Hasegawa, Yasuyuki Yamada, Joji Hoshino, Shuichi Okada, Yuta Kanazawa, Toru Kaga (Division of Cardiovascular Surgery, Gunma Prefectural Cardiovascular Center, Gunma, Japan)

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

^○Hirokazu Niitsu, Humiaki Murayama, Takahito Yokoyama, Gentaku Hama, Yasuyuki Toyoda, Kazuaki Shiratori (Saku Central Hospital Advanced Care Center)

^○Satoshi Kamihira, Kazuma Kanetuki, Tomoki Hanada, Masanobu Yamauchi (Department of Cardiovascular Surgery, Shimane Prefectural Central Hospital, Izumo, Shimane, Japan)