[1] Osaka Univ, Grad Sch Med, Dept Cardiovasc Med, Suita, Osaka, Japan
[2] Tohoku Univ, Grad Sch Med, Dept Cardiovasc Med, Sendai, Miyagi 980, Japan
[3] Tohoku Univ, Grad Sch Med, Dept Evidence Based Cardiovasc Med, Sendai, Miyagi 980, Japan
[4] Osaka Univ, Grad Sch Med, Dept Biomed Stat, Suita, Osaka, Japan
[5] Kwansei Gakuin Univ, Sch Human Welf Studies, Hlth Care Cntr & Clin, Nishinomiya, Hyogo, Japan
[6] Osaka Prefectural Hosp Org, Osaka Med Cntr Canc & Cardiovasc Dis, Osaka, Japan
[7] Osaka Gen Med Cntr, Dept Cardiovasc Med, Osaka, Japan
[8] Saiseikai Senri Hosp, Dept Cardiovasc Med, Suita, Osaka, Japan