1. Department of Neurology Xuanwu Hospital Capital Medical University Beijing China
2. Advanced Center of Stroke Beijing Institute for Brain Disorders Beijing China
3. Department of China‐America Institute of Neuroscience Xuanwu Hospital Capital Medical University Beijing China
4. Tangshan Union Medical College Hospital Tangshan China
5. Department of Neurosurgery Weifang People's Hospital Wenfang China
6. Department of Neurosurgery Wayne State University School of Medicine Detroit MI USA
7. Department of Neurosurgery Henry Ford Health System Detroit MI USA
8. Department of Neurosurgery Xuanwu Hospital Capital Medical University Beijing China