1. Department of Neurosurgery; Xuanwu Hospital, Capital Medical University; Beijing China
2. China International Neuroscience Institute (China-INI); Beijing China
3. Department of Evidence-based Medicine; Xuanwu Hospital, Capital Medical University; Beijing China
4. Medical Library of Xuanwu Hospital; Xuanwu Hospital, Capital Medical University; Beijing China
5. Department of Neurosurgery, Xuanwu Hospital; Capital Medical University; Beijing China
6. Department of Interventional Radiology; Xuanwu Hospital, Capital Medical University; Beijing China