^○Susumu Isoda¹, Ryo Izubuchi¹, Ichiya Yamazaki¹, Kohei Tsutiya¹, Keiji Uchida², Norihisa Karube², Hideyuki Iwaki⁴, Munetaka Masuda³ (1.Fujisawa City Hospital, 2.Cardiovascular Center, Yokohama City University, Medical Center, 3.Department of Surgery, Yokohama City University, School of Medicine, 4.Department of Cardiovascular Surgery, Saiseikai Yokohama City Nanbu Hospital)

^○Hisanori Fujita, Seiichi Yamaguchi, Yuusuke Shibata, Shigeyasu Takeuchi (Chibaken Emergency Medical Center Chiba Japan)

^○Fumiya Chubachi, Hiroyuki Nakajima, Akihiro Yoshitake, Chiho Tokunaga, Masato Tochii, Jun Hayashi, Akitoshi Takazawa, Hiroaki Izumida, Daisuke Kaneyuki, Atsushi Iguchi, Toshihisa Asakura (Saitama medicai university international medikal center)

^○Hyoe Komae, Shun Tanaka, Takafumi Inoue, Yasuhiro Hoshino, Masahiko Ando, Sachito Minegishi, Shogo Shimada, Osamu Kinoshita, haruo Yamauchi, Kan Nawata, Minoru Ono (The University of Tokyo Hospital, Department of Cardiac Surgery)