1. Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine. No. 639 Zhizaoju Road, Shanghai 200001, China
2. Department of Radiology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine. No. 280 Mohe Road, Shanghai 201999, China
3. Department of Mechanical Engineering, State Key Laboratory of Tribology in Advanced Equipment (SKLT), Tsinghua University. No. 30 Shuangqing Road, Beijing 100084, China
4. Department of Orthopedic Surgery, Tongren Hospital, Shanghai Jiao Tong University School of Medicine. No. 1111 Xianxia Road, Shanghai 200336, China
5. Department of Obstetrics and Gynecology, Shanghai Seventh People's Hospital, Affiliated to Shanghai University of Traditional Chinese Medicine. No. 358 Datong Road, Shanghai 200137, China
6. Department of Geriatric Orthopeadics, Shenzhen Pingle Orthopaedic Hospital. No. 15 Lanjin 4th Road, Shenzhen 518000, China