1. Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Neurosurgical Institute, Department of Neurosurgery, Tianjin Huanhu Hospital, Tianjin 300350, China
2. The Graduate School, Tianjin Medical University, Tianjin 300070, China
3. Department of Neurosurgery, Tianjin First Center Hospital, Tianjin 300192, China