[1] NARA PERFECTURAL HOSP,DEPT RADIOL,NARA,JAPAN
[2] NARA PERFECTURAL HOSP,DEPT NEUROSURG,NARA,JAPAN
[3] NARA MED UNIV,DEPT RADIOL,KASHIHARA,NARA 634,JAPAN
[4] NARA MED UNIV,DEPT NEUROSURG,KASHIHARA,NARA 634,JAPAN
[5] KOHCHI MED UNIV,DEPT RADIOL,KOHCHI,JAPAN