1. 1Department of Neurosurgery, Yokohama City University, Graduate School of Medicine, Yokohama, Japan.
2. 2Neurosurgical-Oncology Laboratory, Yokohama City University, Yokohama, Japan.
3. 3Laboratory of Biopharmaceutical and Regenerative Science, Graduate School of Medical Science, Yokohama City University, Yokohama, Japan.
4. 4Department of Pathology, Yokohama City University, Graduate School of Medicine, Yokohama, Japan.
5. 5Department of Diagnostic Pathology, Yokohama City University Hospital, Yokohama, Japan.
6. 6Department of Brain Disease Translational Research, Juntendo University Faculty of Medicine, Tokyo, Japan.
7. 7Department of Molecular Pathology, Yokohama City University, Graduate School of Medicine, Yokohama, Japan.
8. 8Department of Pediatrics, Yokohama City University, Graduate School of Medicine, Yokohama, Japan.
9. 9Department of Neurosurgery, Yokohama City University Medical Center, Yokohama, Japan.
10. 10Department of Neurosurgery, Odawara Municipal Hospital, Odawara, Japan.
11. 11Department of Neurosurgery, Yokohama City Minato Red Cross Hospital, Yokohama, Japan.
12. 12Department of Neurosurgery, Yokosuka Kyosai Hospital, Yokosuka, Japan.
13. 13Department of Neurosurgery, Yokohama Rosai Hospital, Yokohama, Japan.
14. 14Department of Neurosurgery, National Hospital Organization Yokohama Medical Center, Yokohama, Japan.
15. 15Department of Neurosurgery, Yokohama Minami Kyosai Hospital, Yokohama, Japan.
16. 16Department of Neurosurgery, Hiratsuka Kyosai Hospital, Hiratsuka, Japan.
17. 17Department of Clinical Cancer Genomics, Yokohama City University, Yokohama, Japan.
18. 18Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.