1. Department of Neurosurgery, Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin
2. Department of Neurosurgery, Qingdao Central Hospital, University of Health and Rehabilitation Sciences, Qingdao
3. Department of Neurosurgery, Tianjin Huanhu Hospital
4. Department of Neurosurgery, Tianjin Central Hospital for Neurosurgery and Neurology
5. Department of Neurosurgery, Laboratory of Microneurosurgery, Tianjin Neurosurgical Institute
6. Department of Neurosurgery, Tianjin Key Laboratory of Cerebral Vascular and Neural Degenerative Diseases, Tianjin, China