1. China–America Institute of Neuroscience, Beijing Luhe Hospital, Capital Medical University, Beijing, China
2. Department of Neurological Surgery, Wayne State University School of Medicine, Detroit, MI, USA
3. Department of Neurology, Beijing Luhe Hospital, Capital Medical University, Beijing, China
4. Department of Pathology, Beijing Luhe Hospital, Capital Medical University, Beijing, China
5. Department of Clinical Laboratory, Beijing Luhe Hospital, Capital Medical University, Beijing, China