1. Department of Neurosurgery
2. China National Clinical Research Center for Neurological Diseases, Beijing
3. Department of Gamma-Knife Center
4. Department of Neurosurgery, Peking University International Hospital, Peking University
5. Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University
6. Department of Neurosurgery, The First Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang
7. Department of Neurosurgery, Shanxi Provincial People’s Hospital, Shanxi
8. First Department of Neurosurgery, The Second Affiliated Hospital of Kunming Medical University, Kunming
9. Department of Neurosurgery, Nanjing Drum Tower Hospital, Affiliated to Nanjing University, Nanjing, Jiangsu
10. Department of Neurosurgery, The Second Affiliated Hospital of Xuzhou Medical University, Jiangsu
11. Department of Neurosurgery, The First People’s Hospital of Qinzhou, Guangxi
12. Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, People’s Republic of China