[1] Univ Tokyo, Grad Sch Med, Dept Cardiovasc Med, Bunkyo Ku, Tokyo 1138655, Japan
[2] Juntendo Univ, Sch Med, Dept Immunol, Tokyo 113, Japan
[3] Asahi Life Fdn, Inst Adult Dis, Tokyo, Japan
[4] Tokyo Womens Med Coll, Dept Pathol 2, Tokyo 162, Japan
[5] Tokyo Med & Dent Univ, Sch Med, Dept Internal Med 2, Tokyo 113, Japan
[6] Sakakibara Heart Inst, Dept Cardiol, Tokyo, Japan
[7] Toranomon Gen Hosp, Ctr Cardiovasc, Dept Cardiol, Tokyo, Japan
[8] Juntendo Univ, Sch Med, Dept Internal Med, Div Cardiol, Tokyo 113, Japan
[9] Kitasato Univ, Sch Sci, Dept Biosci, Kanagawa, Japan
[10] Natl Childrens Med Res Ctr, Dept Immunol, Tokyo 154, Japan