Affiliation: | 1.Department of Neurosurgery, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan ;2.Department of Radiology, Nara Medical University, Kashihara, Nara, Japan ;3.Division of Central Clinical Laboratory, Nara Medical University, Kashihara, Nara, Japan ; |