1. Department of Orthopedics
2. The First Affiliated Hospital of Wannan Medical College
3. Wuhu 241001
4. China
5. The First Affiliated Hospital
6. University of Science and Technology of China
7. Hefei 230001
8. Affiliated Suzhou Hospital of Nanjing Medical University
9. Suzhou 215500
10. The First Affiliated Hospital of Soochow University
11. Suzhou 215000
12. Department of Orthopedic Surgery
13. Affiliated Hospital of Xuzhou Medical University
14. Xuzhou 221002