1. Department of Human Pathology Gunma University Graduate School of Medicine Maebashi Japan
2. Department of Neurosurgery, Graduate School of Medical Science Kanazawa University Kanazawa Japan
3. Department of Neurosurgery Kyoto University Graduate School of Medicine Kyoto Japan
4. Department of Pathology Kurume University School of Medicine Kurume Japan
5. Department of Pathology National Center for Child Health and Development Tokyo Japan
6. Department of Organ Pathology Shimane University School of Medicine Izumo Japan
7. Department of Diagnostic Pathology, Faculty of Medicine University of Miyazaki Miyazaki Japan
8. Department of Neurosurgery, Division of Clinical Neuroscience, Faculty of Medicine University of Miyazaki Miyazaki Japan
9. Department of Pediatrics Nagasaki University School of Medicine Nagasaki Japan
10. Department of Pediatric Surgery Gunma Children's Medical Center Shibukawa Japan
11. Department of Anatomic Pathology, Graduate School of Medical Sciences Kyushu University Fukuoka Japan
12. Department of Pathology Gunma University Hospital Maebashi Japan
13. Department of Clinical Laboratory Gunma Children's Medical Center Shibukawa Japan