1. Department of Molecular Pathology, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
2. Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
3. Department of Radiation Therapy, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
4. China National Clinical Research Center for Neurological Diseases, Beijing, China
5. Center of Brain Tumor, Beijing Institute for Brain Disorders, Beijing, China