[1] Tokyo Med & Dent Univ, Dept Cardiovasc Med, Yushima 1-5-45, Bunkyo Ku, Tokyo 1138519, Japan
[2] Univ Tsukuba, Fac Med, Dept Cardiol, Ibaraki, Japan
[3] Jikei Univ, Dept Internal Med, Div Cardiol, Sch Med, Tokyo, Japan
[4] Japan Red Cross Yokohama City Bay Hosp, Heart Ctr, Yokohama, Japan
[5] Hokko Mem Hosp, Dept Cardiovasc Med, Sapporo, Japan
[6] Hirosaki Univ, Adv Management Cardiac Arrhythmias, Grad Sch Med, Hirosaki, Japan
[7] Gunma Prefectural Cardiovasc Ctr, Div Cardiol, Maebashi, Gunma, Japan
[8] Saitama Med Univ, Dept Cardiol, Int Med Ctr, Hidaka, Japan
[9] Japanese Red Cross Saitama Hosp, Dept Cardiol, Saitama, Japan
[10] Tokyo Med Univ Hosp, Dept Cardiol, Tokyo, Japan
[11] Tokai Univ Hachioji Hosp, Dept Med, Div Cardiol, Tokyo, Japan
[12] Nagoya Univ, Dept Cardiol, Grad Sch Med, Nagoya, Japan
[13] Nagoya Daini Hosp, Japanese Red Cross Aichi Med Ctr, Dept Cardiol, Nagoya, Japan
[14] Koseikai Takeda Hosp, Dept Arrhythmia, Kyoto, Japan
[15] Kobe City Med Ctr Gen Hosp, Div Cardiol, Kobe, Japan
[16] Natl Cerebral & Cardiovasc Ctr, Dept Cardiovasc Med, Osaka, Japan
[17] Sakurabashi Watanabe Hosp, Cardiovasc Ctr, Osaka, Japan
[18] Natl Hosp Org Osaka Natl Hosp, Osaka, Japan
[19] Kansai Rosai Hosp Cardiovasc Ctr, Amagasaki, Hyogo, Japan
[20] Kokura Mem Hosp, Dept Cardiol, Kitakyushu, Japan
[21] Saiseikai Kumamoto Hosp Cardiovasc Ctr, Div Cardiol, Kumamoto, Japan
[22] Int Univ Hlth & Welf, Fukuoka Sanno Hosp, Heart Rhythm Ctr, Fukuoka, Japan