1. Department of Neurosurgery, Dong-A University Hospital, Dong-A University College of Medicine, Busan; Departments of
2. Neurosurgery,
3. Brain Tumor Center and
4. Brain Research Institute, Yonsei University Health System, Yonsei University College of Medicine; and
5. Pathology, and
6. Radiation Oncology, Severance Hospital, Yonsei University College of Medicine;
7. Department of Neurosurgery, Brain Tumor Center, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea