1. Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
2. Burrell College of Osteopathic Medicine, Las Cruces, New Mexico, United States
3. Department of Neurosurgery, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
4. Tongji University, Shanghai, China
5. Wenzhou Medical University, Wenzhou, China
6. Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou,, China