1. Department of NeurosurgeryKanazawa University Kanazawa Japan
2. Department of PathologyKurume University School of Medicine Kurume Japan
3. Department of Diagnostic PathologyKanazawa University Hospital Kanazawa Japan
4. Division of Human Pathology, Department of Pathology and MicrobiologyNihon University School of Medicine Tokyo Japan
5. Department of Human PathologyKanazawa University Graduate School of Medicine Kanazawa Japan