[1] Showa Gen Hosp, Cardiovasc Ctr, Dept Cardiol, 8-1-1 Hanakoganei, Kodaira, Tokyo 1878510, Japan
[2] Narita Tomisato Tokushukai Hosp, Dept Cardiovasc Med, Chiba, Japan
[3] Natl Cerebral & Cardiovasc Ctr, Dept Pathol, Suita, Osaka, Japan
[4] Mie Univ, Grad Sch Med, Dept Pathol & Matrix Biol, Tsu, Mie, Japan
[5] Natl Ctr Global & Med, Dept Cardiol, Tokyo, Japan
[6] Chiba Tokushukai Hosp, Dept Clin Res, Chiba, Japan