1. Musculoskeletal Tumor Center, Peking University People’s Hospital, No. 11 Xizhimen South Street, Xicheng District, Beijing 100044, People’s Republic of China
2. Department of Neurosurgery, Liaocheng People’s Hospital, No. 67 Dongchang West Road, Liaocheng, 252000, People’s Republic of China
3. Department of Stomatology, Beijing Jishuitan Hospital, Capital Medical University, No. 31, Xinjiekou East Street, Xicheng District, Beijing100035, People’s Republic of China
4. School of Medicine, Nankai University, No. 94, Weijin Road, Nankai District, Tianjin 300071, People’s Republic of China
5. Department of Neurology, Liaocheng People’s Hospital, No. 67 Dongchang West Road, Liaocheng, 252000, People’s Republic of China
6. Department of Orthopedics, Beijing Jishuitan Hospital, Capital Medical University, No. 31, Xinjiekou East Street, Xicheng District, Beijing 100035, People’s Republic of China