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