1 Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, China.
2 MOE Key Laboratory of Protein Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China.
3 Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, China. Electronic address: Zhangliweittyy@163.com.
4 MOE Key Laboratory of Protein Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China. Electronic address: xiqiaoran@tsinghua.edu.cn.