1. Department of Neurosurgery; Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, National Center for Neurological Disorders; Beijing China
2. Medical Library; Xuanwu Hospital, Capital Medical University; Beijing China
3. Department of Evidence-based Medicine; Xuanwu Hospital, Capital Medical University; Beijing China
4. Neuroendovascular Program; Massachusetts General Hospital, Harvard Medical School; Boston MA USA
5. Department of Interventional Neuroradiology; Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, National Center for Neurological Disorders; Beijing China