[1] Kansai Rosai Hosp, Cardiovasc Ctr, Amagasaki, Japan
[2] Osaka Police Hosp, Cardiovasc Div, Osaka, Japan
[3] Osaka Univ, Dept Diabet Care Med, Grad Sch Med, Suita, Japan
[4] Shonan Kamakura Gen Hosp, Dept Cardiol, Kamakura, Japan
[5] Morinomiya Hosp, Dept Cardiol, Osaka, Japan
[6] Kishiwada Tokushukai Hosp, Dept Cardiol, Kishiwada, Japan
[7] Saka Gen Hosp, Dept Cardiol, Shiogama, Japan
[8] Fukuoka Sanno Hosp, Dept Cardiol, Fukuoka, Japan
[9] Tokyo Saiseikai Cent Hosp, Dept Cardiol, Tokyo, Japan