1. Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
2. Department of Molecular Imaging and Diagnosis, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
3. Department of Neurosurgery, Kyushu University Faculty of Medicine Graduate School of Medical Sciences School of Medicine, Fukuoka, Japan
4. Department of Anatomic Pathology, Pathologic Sciences, Kyushu University Faculty of Medicine Graduate School of Medical Sciences School of Medicine, Fukuoka, Japan
5. Department of Pathology, Dentistry and Pharmaceutical Sciences, Graduate School of Medicine, Okayama University, Okayama, Japan