1. Department of Pathology Kurume University School of Medicine Kurume Fukuoka Japan
2. Department of Neuropathology Neurology Center, St. Mary's Hospital Kurume Fukuoka Japan
3. Department of Neurosurgery Kurume University School of Medicine Kurume Fukuoka Japan
4. Department of Neurosurgery St. Mary's Hospital Kurume Fukuoka Japan
5. Department of Pathology St. Mary's Hospital Kurume Fukuoka Japan
6. Department of Pathology, Brain Research Institute Niigata University Niigata Fukuoka Japan