1 Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
2 State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Department of Pathophysiology, Beijing Union Medical College, Beijing, China.
3 China National Clinical Research Center for Neurological Diseases, Beijing, China.
4 Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China - zhaojz205@163.com.