1. Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
2. Xiangya School of Medicine, Central South University, Changsha, Hunan Province, China
3. Department of Orthopedics, Chenzhou No.1 People’s Hospital, Chenzhou, Hunan, China
4. Department of Orthopedics, Suzhou Kowloon Hospital Affiliated to School of Medicine, Shanghai Jiao Tong University, Suzhou, China