1. Department of Orthopaedics Xiangya Hospital, Central South University Changsha Hunan China
2. Hunan Key Laboratory of Joint Degeneration and Injury Changsha Hunan China
3. Hunan Engineering Research Center of Osteoarthritis Changsha Hunan China
4. National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University Changsha Hunan China