1. Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Korea.
2. Department of Radiation Oncology, SMG-SNU Boramae Medical Center, Seoul, Korea.
3. Division of Neurooncology and Department of Neurosurgery, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea.
4. Department of Neurosurgery, Yeungnam University Hospital, Yeungnam University College of Medicine, Daegu, Korea.
5. Department of Radiation Oncology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea.
6. Department of Neurosurgery, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea.
7. Department of Neurosurgery, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea.
8. Department of Neurosurgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.
9. Department of Neurosurgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
10. Department of Radiation Oncology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea.
11. Department of Neurosurgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
12. Department of Genomic Medicine, Department of Neurology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
13. Department of Neurosurgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
14. Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
15. Department of Neurosurgery, Catholic Kwandong University, International St. Mary's Hospital, Incheon, Korea.
16. Department of Neurosurgery, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
17. Department of Pathology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
18. Department of Neurosurgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea.
19. Department of Neurosurgery, Dong-A University Hospital, Dong-A University College of Medicine, Busan, Korea.
20. Department of Radiation Oncology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
21. Department of Neurosurgery, Uijeongbu St. Mary's Hospital, The Catholic University of Korea, Uijeongbu, Korea.
22. Department of Neurosurgery, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Korea.
23. Division of Hematology/Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
24. Department of Neurosurgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
25. Department of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
26. Department of Hospital Pathology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
27. Department of Cancer Control, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Korea.