1. Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, China
2. State Key Laboratory of Molecular Oncology, Cancer Institute and Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
3. Beijing Neurosurgical Institute, Capital Medical University, Beijing 100050, China
4. Department of Neurosurgery, Beijing Sanbo Brain Hospital, Capital Medical University, Beijing 100093, China
5. China National Clinical Research Center for Neurological Diseases, Beijing 100050, China
6. Department of Pathology, University of Pittsburgh, Pittsburgh, PA 15261, USA
7. Department of Biology and Shenzhen Key Laboratory of Cell Microenvironment, South University of Science and Technology of China, Shenzhen, 518055, China