1. Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
2. Tibet Autonomous Region People’s Hospital, Lhasa, Tibet, China
3. Department of Epidemiology and Health Statistics, School of Public Health, Central South University, Changsha, Hunan, China
4. Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China
5. Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University, Changsha, China
6. Health Management Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
7. China Standard Medical Information Research Center, Shenzhen, Guangdong, China
8. Clinical Trial Unit, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China
9. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China