1 Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Xiangshanyikesong 50#, HaiDian District, Beijing, 100093, China.
2 Capital Medical University, Beijing, People's Republic of China.
3 Beijing Institute of Technology, Beijing, China.
4 Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, People's Republic of China.
5 Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Xiangshanyikesong 50#, HaiDian District, Beijing, 100093, China. lishouweisbh@sina.com.
6 Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Xiangshanyikesong 50#, HaiDian District, Beijing, 100093, China. ycxsbh@sina.com.