[1] Hamamatsu Rosai Hosp, Shizuoka 4308525, Japan
[2] Toho Univ, Sch Med, Dept Urol 1, Tokyo, Japan
[3] Osaka Univ, Fac Med, Sch Allied Hlth Sci, Osaka, Japan
[4] Toho Univ, Sch Med, Dept Internal Med 2, Tokyo, Japan
[5] Keio Univ, Sch Med, Dept Internal Med, Tokyo, Japan
[6] Nihon Univ, Sch Med, Dept Internal Med 2, Tokyo 173, Japan
[7] Spinal Injuries Ctr, Dept Urol, Fukuoka, Japan
[8] Hokkaido Univ, Grad Sch Med, Dept Cardiovasc Med, Sapporo, Hokkaido 060, Japan
[9] Natl Cardiovasc Ctr, Osaka, Japan
[10] Kyoto Univ, Grad Sch Med, Dept Cardiovasc Med, Kyoto, Japan
[11] Nippon Med Coll, Dept Emergency & Crit Care Med, Tokyo 113, Japan