1. Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University, School of Medicine, Shanghai, China
2. Department of Orthopedics, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
3. Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
4. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China