1. Department of Neurosurgery, Sichuan University, Chengdu, China
2. Department of Neurosurgery, West China Hospital of Sichuan University, Chengdu, China
3. Department of Neurology, West China Hospital of Sichuan University, Chengdu, China
4. Department of Neurosurgery, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
5. Neurosurgery, West China Hospital of Sichuan University, Chengdu, China