1. Department of Neurosurgery The First Affiliated Hospital of Chongqing Medical University Chongqing China
2. Department of Cerebrovascular The Affiliated Hospital of Zunyi Medical College Zunyi China
3. Department of Neurosurgery The Affiliated Hospital of Southwest Medical University Luzhou China
4. Department of Neurosurgery Affiliated Hospital of the University of Electronic Science and Technology of China Sichuan Provincial People's Hospital Chengdu China