^○Yumi Kando, Norihiko Shiiya, Katusi Yamashita, Naoki Washiyama, Daisuke Takahashi, Kazumasa Tuda, Yuko Oohashi (First Department of Surgery, Hamamatsu University School of Medicine,Hamamatsu,Japan)

^○Susumu Manabe¹, Norihisa Yuge¹, Daiki Hirayama¹, Ryoji Kinoshita¹, Sotaro Katsui², Hidetoshi Uchiyama², Masahiro Ohnuki², Kazunobu Hirooka¹ (1.Tsuchiura Kyodo Genera Hospital, Department of Cardiac Surgery, 2.Tsuchiura Kyodo General Hospital, Vascular Surgery)

^○Onichi Furuya, Shinichi Higashiue, Satoshi Kuroyanagi, Masatoshi Komooka, Norihiko Hiramatsu, Saburo Kojima, Makoto Matsuura, Kensuke Kasuga, Tetsushi Takemoto (Department of Cardiovascular surgery Kishiwada Tokusyukai Hospital)

^○Yoshihiro Goto, Soh Hosoba, Yuichiro Fukumoto, Satoshi Summon, Yasuhide Okawa (Toyohashi Hear Center)

^○Shintaro Nakajima, Masataka Yamazaki, Tatsuo Takahashi, Tsutomu Ito, Naritaka Kimura, Yu Inaba, Yujiro Kawai, Yuta Akamatsu, Hidetoshi Oka, Tomohiko Nakagawa, Satoru Murata, Hideyuki Shimizu (Department of Cardiovascular Surgery, School of Medicine Keio University)

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