1. Department of Neurosurgery, Tianjin Huanhu Hospital, Tianjin, China
2. Tianjin Key Labaratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Neurosurgical Institute, Tianjin Huanhu Hospital, Tianjin, China
3. Department of Nursing, Tianjin Huanhu Hospital, Tianjin, China
4. Department of Radiology, New York University School of Medicine, New York, New York
5. Department of Neurology, New York University School of Medicine, New York, New York