1. Department of Orthopaedic Surgery, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
2. Department of Joint Surgery, 6th Hospital of Ningbo, Ningbo, Zhejiang, China
3. Department of Biomedical Engineering, National Yang Ming University, Taipei, Taiwan
4. Orthopaedic Device Research Center, National Yang Ming University, Taipei, Taiwan
5. Department of Biomedical Engineering, School of Biological Science and Medical Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China
6. Department of Orthopaedics, Capital Medical University School of Rehabilitation Medicine, Beijing Charity Hospital, Beijing, China
7. Department of Orthopaedics, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China