[1] Takegoshi Internal Med Clin, Takaoka, Toyama 9330014, Japan
[2] Kyoto Univ, Sch Med, Dept Transplantat Surg, Kyoto 606, Japan
[3] Kanazawa Univ Hosp, Dept Gen Med, Kanazawa, Ishikawa, Japan
[4] Takaoka City Hosp, Dept Radiol, Takaoka, Toyama, Japan
[5] Med Assoc Toyama City, Dept Pathol, Toyama, Japan