[1] Teikyo Univ, Sch Med, Tokyo 173, Japan
[2] Kansai Med Univ, Dept Internal Med 3, Osaka, Japan
[3] Kanazawa Univ, Grad Sch Med, Dept Human Pathol, Kanazawa, Ishikawa, Japan
[4] Kagoshima Univ, Grad Sch Med & Dent Sci, HGF Tissue Repair & Regenerat Med, Kagoshima 890, Japan