1. Institute of Hypoxia Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
2. BeijingKey Laboratory of Hypoxia Translational Medicine, Beijing, China
3. Center of Stroke, Beijing Institute for Brain Disorder, Beijing, China
4. Department of Herbal Formula Science Medicine, Chinese Medicine School, Beijing University of Chinese Medicine, Beijing, China
5. Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI, USA