1. Department of Orthopaedics The Affiliated Hospital of Shandong Traditional Chinese Medicine University Jinnan Shandong China
2. Department of Orthopaedics, Jinling Hospital, School of Medicine Nanjing University Nanjing Jiangsu China
3. Department of Orthopaedics, Tianjin Baodi Hospital Baodi Clinical College of Tianjin Medical University Tianjin China