^○Hoshi Tomoya, Hiraya Daigo, Watabe Hiroaki, Sato Akira, Ieda Masaki (University of Tsukuba Department of Cardiology, Faculty of Medicine)

^○Murata Koichiro, Watanabe Yuzo, Tamari Junko, Kodama Keita, Mitake Hirotsugu, Nakai Masanao, Nawada Ryuzo, Yamazaki Fumio, Onodera Tomoya (Shizuoka City Shizuoka Hospital Department of Cardiology)

^○Miyoshi Yutaro, Ehara Natsuhiko, Tsujisaka Yuta, Kim Kitae, Kitai Takeshi, Kinoshita Makoto, Kaji Shuichiro, Furukawa Yutaka (Kobe City General Hospital Department of Cardiology)

^○Kawamoto Hiroyoshi, Naganuma Toru, Nakamura Sunao (New Tokyo Hospital Department of Cardiology)

^○Nishioka Kenji¹, Oi Kuniomi¹, Nakano Takayuki¹, Higaki Tadanao¹, Dai Kazuoki¹, Kawase Tomoharu¹, Nakama Yasuharu¹, Otsuka Masaya¹, Masaoka Yoshiko¹, Shiode Nobuo¹, Saeki Munehiro², Yunoki Keiji², Yoshida Hideo² (1.Hiroshima City Hiroshima Citizens Hospital Department of Cardiology, 2.Hiroshima City Hiroshima Citizens Hospital Department of Cardiovasucular Surgery)

^○Osakada Kohei, Fuku Yasushi, Ono Sachiyo, Ohya Masanobu, Amano Hideo, Kubo Shunsuke, Maruo Takeshi, Goto Tsuyoshi, Kadota Kazushige (Kurashiki Central Hospital Department of Cardiology)