1. Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
2. Chinese Glioma Cooperative Group (CGCG), Beijing, China
3. Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
4. Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
5. Department of Pathology, Beijing Sanbo Brain Hospital, Capital Medical University, Beijing, China
6. Beijing Institute for Brain Disorders Brain Tumor Center, Beijing, China
7. China National Clinical Research Center for Neurological Diseases, Beijing, China