1. China–America Joint Institute for Neuroscience, Xuanwu Hospital, Capital Medical University, Beijing Institute for Brain Disorders, Beijing, China
2. Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
3. Department of Neurosurgery, Geisinger Health System, Danville, PA, USA
4. Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI, USA
5. Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China