1. Department of Neurobiology Capital Medical University Beijing China
2. Beijing Key Laboratory of Hypoxia Conditioning Translational Medicine Xuanwu Hospital, Capital Medical University Beijing China
3. Center of Stroke, Beijing Institute for Brain Disorders, Capital Medical University Beijing China
4. Department of Neurosurgery Wayne State University School of Medicine Detroit Michigan
5. Department of Neurosurgery and Brain Repair University of South Florida Tampa Florida
6. Department of Neurosurgery Xuanwu Hospital, Capital Medical University Beijing China