1. Department of Neurosurgery, Peking University International Hospital, Peking University, Beijing, China
2. Department of Neurosurgery, Capital Medical University affiliated Beijing Tian Tan Hospital, Capital Medical University, Beijing, China
3. Department of Neurology, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
4. Department of Radiology, Chinese PLA General Hospital, Medical School of Chinese PLA, Beijing, China
5. Department of Interventional Neuroradiology, Capital Medical University affiliated Beijing Tian Tan Hospital, Capital Medical University, Beijing, China