1. Division of Brain Tumor Translational Research, National Cancer Center Research Institute, Tokyo, Japan
2. Department of Neurosurgery, Faculty of Medicine, The University of Tokyo Hospital, Tokyo, Japan
3. Department of Pathology and Clinical Laboratories, National Cancer Center Hospital, Tokyo, Japan
4. Division of Pediatric Neuro-Oncology, Saitama Medical University International Medical Center, Saitama, Japan
5. Department of Neurosurgery and Neuro-oncology, National Cancer Center Hospital, Tokyo, Japan
6. Department of Pediatrics, Osaka City General Hospital, Osaka, Japan
7. Department of Neurosurgery, Graduate School of Medicine, Yokohama City University, Kanagawa, Japan
8. Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
9. Department of Neuro-Oncology/Neurosurgery, Saitama Medical University International Medical Center, Saitama, Japan
10. Department of Neurosurgery, The Jikei University School of Medicine, Tokyo, Japan
11. Department of Neurosurgery, Kurume University, Fukuoka, Japan
12. Department of Neurosurgery, Hiroshima University Faculty of Medicine, Hiroshima, Japan
13. Department of Neurosurgery, Tokyo Medical and Dental University, Graduate School of Medical and Dental Sciences, Tokyo, Japan
14. Department of Neurosurgery, Graduate School of Medical Science, Kanazawa University, Ishikawa, Japan
15. Department of Neurosurgery, Kansai Medical University Hospital, Osaka, Japan
16. Department of Neurosurgery, University of Miyazaki Faculty of Medicine, Miyazaki, Japan
17. Department of Neurosurgery, Chiba Cancer Center, Chiba, Japan
18. Department of Neurosurgery, National Hospital Organization Osaka National Hospital, Osaka, Japan
19. Department of Biomedical Research and Innovation, Institute for Clinical Research, National Hospital Organization Osaka National Hospital, Osaka, Japan
20. Department of Neurosurgery, Kyorin University Faculty of Medicine, Tokyo, Japan
21. Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
22. Department of Neurosurgery, Hamamatsu University Hospital, Shizuoka, Japan
23. Department of Neurosurgery, Kyusyu University Hospital, Fukuoka, Japan
24. Department of Neurosurgery, University of Tsukuba Hospital, Ibaraki, Japan
25. Department of Neurosurgery, Fujita Health University Hospital, Aichi, Japan
26. Department of Neurosurgery, Japanese Red Cross Shizuoka Hospital, Shizuoka, Japan
27. Department of Neurosurgery, Kitasato University, Kanagawa, Japan
28. Department of Pathology, Hidaka Hospital, Gunma, Japan