^○Katsuhiko Oda, Koki Ito, Satoshi Kawatsu, Masayuki Ohtani, Kimihiko Kobayashi, Yuka Tabayashi, Susumu Nagamine (Department of Cardiovascular Surgery)

^○Masayuki Hara, Yuri Murakami, Masamichi Momose, Makiko Omori, Takeshi Baba, Reo Takizawa, Koji Maeda, Hiromasa Tachihara, Takao Ohki (Jikei University, Tokyo, Japan)

^○Takeshi Wada¹, Tomoyuki Wada¹, Hideyuki Tanaka¹, Takashi Syuto¹, Madoka Kawano¹, Kyohei Hatori¹, Kazuki Mori¹, Takahiro Tashima¹, Hidetaka Yamauchi¹, Katuki Ohji², Noritaka Kamei², Norio Hongo², Shunro Matsumoto² (1.Cardiovascular Surgery, Oita university, 2.Cardiovascular Surgery, Oita university)

^○Akitoshi Takazawa, Toshihisa Asakura, Akihito Yoshitake, Atsushi Iguchi, Masato Tochii, Chico Tokunaga, Jun Hayashi, Hiroaki Izumida, Daisuke Kaneyuki, Hiroyuki Nakajima (Saitama Medical University International Medical Center, Hidaka city, Japan)

^○Atsushi Omura¹, Hitoshi Matsuda¹, Jiro Matsuo¹, Taishi Inoue¹, Daichi Shikata¹, Yosuke Inoue¹, Yoshimasa Seike¹, Kyokun Uehara¹, Hiroaki Sasaki¹, Yoshiro Hori¹, Yoshikatsu Nomura², Hirohisa Murakami², Ryutarou Kawasaki², Nobuhiko Mukohara², Junjiro Kobayashi¹ (1.National Cerebaral and Cardiovascular Center, 2.Hyogo Brain and Heart Center at Himeji)

^○Hiroaki Kaneyama, Kenichi Hashizume, takashi Hashimoto, Koki Ikebata, Hidenobu Takaki, Yusuke Katsuki, Rieko Nakagami, shinya Inoue, Masanori Honda (Saiseikai Utsunomiya Hospital)