1. Senior Department of Orthopedics The Fourth Medical Center of PLA General Hospital Beijing China
2. The National Clinical Research Center for Orthopedics Sports Medicine & Rehabilitation Beijing China
3. The Trauma Orthopedic Branch of Chinese Orthopedic Association Shijiazhuang China
4. Group of Trauma Orthopaedics, Chinese Orthopaedic Association, Department of Orthopedics The Third Hospital of Hebei Medical University Shijiazhuang China
5. Department of Orthopedics, Southern Hospital Southern Medical University Guangzhou China