1 Department of Neurosurgery, Chinese People's Liberation Army of China (PLA) General Hospital, Medical School of Chinese PLA, Institute of Neurosurgery of Chinese PLA, Beijing, 100853, China; Department of Neurosurgery, Hospital of Eighty-first Army Group of Chinese PLA, Zhangjiakou, 075000, China.
2 Department of Neurosurgery, Chinese People's Liberation Army of China (PLA) General Hospital, Medical School of Chinese PLA, Institute of Neurosurgery of Chinese PLA, Beijing, 100853, China.
3 Department of Medicine, Surgery, and Cell Biology, The University of Oklahoma Health Sciences Center, Stanton L. Young Biomedical Research Center, Oklahoma City, OK, 73104, USA.
4 Department of Cell Biology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
5 Department of Neurosurgery, Hospital of Eighty-first Army Group of Chinese PLA, Zhangjiakou, 075000, China.
6 Department of Pathology, Hospital of Eighty-first Army Group of Chinese PLA, Zhangjiakou, 075000, China.
7 Department of Neurosurgery, The First Hospital of China Medical University, Shenyang, 110122, China. Electronic address: wuanhua@yahoo.com.
8 Department of Neurosurgery, Chinese People's Liberation Army of China (PLA) General Hospital, Medical School of Chinese PLA, Institute of Neurosurgery of Chinese PLA, Beijing, 100853, China. Electronic address: xinguang_yu@263.net.
9 Department of Neurosurgery, Chinese People's Liberation Army of China (PLA) General Hospital, Medical School of Chinese PLA, Institute of Neurosurgery of Chinese PLA, Beijing, 100853, China. Electronic address: chen_ling301@163.com.