[1] OKAYAMA UNIV,SCH MED,PATHOL SECT,CENT LABS,OKAYAMA 700,JAPAN
[2] OKAYAMA UNIV,SCH MED,DEPT NEUROSURG,OKAYAMA 700,JAPAN
[3] OKAYAMA UNIV,SCH MED,DEPT MED,CLIN 2ND,OKAYAMA 700,JAPAN
[4] TOTTORI UNIV,SCH MED,DEPT PATHOL,YONAGO,TOTTORI 683,JAPAN
[5] NATL OKAYAMA HOSP,DEPT MED,OKAYAMA,JAPAN