1. Department of Orthopaedic Surgery Third Hospital of Hebei Medical University Shijiazhuang China
2. Key Laboratory of Biomechanics of Hebei Province Shijiazhuang China
3. Department of Pelvic and Acetabular Surgery Honghui Hospital, Xi'an Jiaotong University Xi'an China
4. Eighth Department, State Key Laboratory of Trauma, Burns and Combined Injuries, Research Institute of Surgery, Daping Hospital Army Medical University Chongqing China
5. Department of Orthopaedics, Union Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan China
6. NHC Key Laboratory of Intelligent Orthopaedic Equipment Shijiazhuang China