1. School of Medicine Nankai University Tianjin China
2. Department of Orthopedics Shanxi Bethune Hospital, Shanxi Academy of Medical Science Taiyuan China
3. Department of Orthopaedic Surgery of Hebei Province Third Hospital of Hebei Medical University Shijiazhuang China
4. Key Laboratory of Biomechanics of Hebei Province Orthopaedic Research Institution of Hebei Province Shijiazhuang China
5. Department of Orthopedics Union Hospital of Tongji Medical College of Huazhong University of Science and Technology Wuhan China
6. NHC Key Laboratory of Intelligent Orthopeadic Equipment (The Third Hospital of Hebei Medical University) Shijiazhuang China