[1] Japanese Red Cross Otsu Hosp, Div Cardiol, 1-1-35 Nagara, Otsu, Shiga 5208511, Japan
[2] Tenri Hosp, Dept Cardiol, Tenri, Japan
[3] Shiga Univ Med Sci, Dept Cardiovasc Med, Otsu, Japan
[4] Kobe City Med Ctr Gen Hosp, Div Cardiol, Kobe, Japan
[5] Sakurabashi Watanabe Hosp, Cardiovasc Ctr, Osaka, Japan
[6] Natl Hosp Org Osaka Natl Hosp, Div Cardiol, Osaka, Japan
[7] Shiroyama Hosp, Cardiovasc Ctr, Habikino, Japan
[8] Namba Kurotobi Heart Clin, Cardiovasc Ctr, Osaka, Japan
[9] Ogaki Municipal Hosp, Dept Cardiol, Ogaki, Japan
[10] Saiseikai Izuo Hosp, Dept Cardiol, Osaka, Japan
[11] Okayama Heart Clin, Heart Rhythm Ctr, Okayama, Japan
[12] Natl Cerebral & Cardiovasc Ctr, Dept Cardiovasc Med, Suita, Japan
[13] Natl Cerebral & Cardiovasc Ctr, Dept Heart Failure & Transplantat, Suita, Japan
[14] Hyogo Prefectural Amagasaki Gen Med Ctr, Dept Cardiol, Amagasaki, Japan
[15] Nishinomiya Watanabe Cardiovasc Ctr, Div Arrhythmia & Electrophysiol, Nishinomiya, Japan
[16] Hyogo Coll Med, Dept Clin Epidemiol, Nishinomiya, Japan
[17] Kyoto Univ, Grad Sch Med, Dept Cardiovasc Med, Kyoto, Japan
[18] Hirakata Kosai Hosp, Dept Cardiol, Hirakata, Japan