1. School of Clinical Medicine, Tsinghua University, Beijing 100084, China
2. Department of Orthopedic Surgery, First Hospital of Tsinghua University, Beijing 100016, China
3. Co-first authorship
4. University of Edinburgh, Edinburgh EH8 8AQ, UK
5. Department of Trauma and Orthopaedics, Royal Infirmary of Edinburgh, Edinburgh EH16 4SA, UK