1. Department of Spine Surgery, The First Affiliated Hospital, Hengyang medical school, University of South China, Hengyang, China
2. Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
3. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
4. Department of Ophthalmology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
5. Department of Orthopedics Surgery, General Hospital of the Central Theater Command, Wuhan, China
6. Department of Pharmacy, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China
7. Department of Musculoskeletal Tumor Center, People’s Hospital, Peking University, Beijing Key Laboratory of Musculoskeletal Tumor. Beijing, China