[1] Osaka Gen Med Ctr, Div Cardiol, Osaka, Japan
[2] Saiseikai Kumamoto Hosp, Cardiovasc Ctr, Div Cardiol, Kumamoto, Japan
[3] Fujita Hlth Univ, Dept Cardiol, Toyoake, Aichi, Japan
[4] Yokohama City Univ, Med Ctr, Cardiovasc Ctr, Yokohama, Kanagawa, Japan
[5] Kitasato Univ, Dept Cardiovasc Med, Sagamihara, Kanagawa, Japan
[6] Natl Cerebral & Cardiovasc Ctr, Dept Cardiovasc Med, Suita, Osaka, Japan
[7] Juntendo Univ, Shizuoka Hosp, Dept Cardiol, Izunokuni, Japan
[8] Natl Hosp Org Kumamoto Med Ctr, Dept Cardiol, Kumamoto, Japan
[9] Hiroshima City Hosp, Dept Cardiol, Hiroshima, Japan
[10] Nippon Med Sch, Dept Cardiovasc Med, Tokyo, Japan
[11] Nara Med Univ, Dept Internal Med 1, Kashihara, Nara, Japan
[12] Sakakibara Heart Inst Okayama, Dept Cardiovasc Med, Okayama, Japan
[13] Ogaki Municipal Hosp, Dept Cardiol, Ogaki, Japan
[14] Dokkyo Med Univ, Dept Cardiovasc Med, Mibu, Tochigi, Japan
[15] Sakurabashi Watanabe Hosp, Dept Cardiol, Osaka, Japan
[16] Kansai Rosai Hosp, Cardiovasc Ctr, Amagasaki, Hyogo, Japan
[17] Natl Cerebral & Cardiovasc Ctr, Dept Prevent Cardiol, Suita, Osaka, Japan
[18] Natl Cerebral & Cardiovasc Ctr, Dept Cardiol, Suita, Osaka, Japan
[19] Hyogo Coll Med, Div Coronary Artery Dis, Nishinomiya, Hyogo, Japan