1. Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
2. Department of Orthopaedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
3. School of Medical Imaging, Xuzhou Medical University, Xuzhou, Jiangsu 221006, P. R. China
4. Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P. R. China