Principal Investigator	Site
Shinji Koba	Showa University Hospital, Tokyo
Toshiyuki Sugiura	Sugiura Clinic, Saitama
Kenshi Fujii	Sakurabashi Watanabe Hospital, Osaka
Minoru Nozaki	Medical Corporation Shirayurikai Swing Nozaki Clinic, Tokyo
Arihiro Kiyosue	Tokyo-Eki Center Building Clinic, Tokyo
Hiroki Kamata	Medical Corporation Kuon-kai Kamata Medical Clinic, Iwate
Tatsuyuki Sato	Sato Hospital, Miyagi
Yasuaki Teshima	Medical Corporation Sanaikai Ikeda Memorial Hospital, Fukushima
Nobuyoshi Higa	Okinawa Tokushukai Medical Corporation Chubu Tokushukai Hospital, Okinawa
Kouji Kajinami	Kanazawa Medical University Hospital, Ishikawa
Yusuke Fujino	New Tokyo Heart Clinic, Chiba
Koh Ono	Kyoto University Hospital, Kyoto
Tatsuro Ishida	Kobe University Hospital, Hyogo
Yoshiro Maezawa Previously: Koutaro Yokote, Minoru Takemoto	Chiba University Hospital, Chiba
Koin Watanabe Previously: Daisuke Yabe	Kansai Electric Power Hospital, Osaka
Mamoru Nanasato Previously: Haruo Hirayama	Japanese Red Cross Nagoya Daini Hospital, Aichi
Takahiro Saeki Previously: Akio Chikata, Satoru Sakagami	National Hospital Organization Kanazawa Medical Center, Ishikawa
Kenichi Tsujita	Kumamoto University Hospital, Kumamoto
Yasuki Kihara	Hiroshima University Hospital, Hiroshima
Ikuo Inoue	Saitama Medical University Hospital, Saitama
Hideki Ishii	Nagoya University Hospital, Aichi
Hiroshi Nakane Previously: Jiro Kitayama	National Hospital Organization Fukuoka-Higashi Medical Center, Fukuoka
Mitsuru Ohishi	Kagoshima University Hospital, Kagoshima
Yasushi Ishigaki	Iwate Medical University Hospital, Iwate,
Kazunori Iwade	National Hospital Organization Yokohama Medical Center, Kanagawa
Masao Kuwada	SMC the Yamatokai Foundation Central Clinic affiliated clinic of Higashiyamato Hospital, Tokyo
Toshinori Higashikata	Komatsu Municipal Hospital, Ishikawa
Ryoichi Ishibashi	Kimitsu Chuo Hospital, Chiba
Toshiyuki Takahashi	Koga General Hospital, Ibaraki
Toshiaki Kadokami	Saiseikai Futsukaichi Hospital, Fukuoka