1. Department of Orthopedics
2. The First Affiliated Hospital of Chongqing Medical University
3. Chongqing
4. People's Republic of China
5. Research Center for Nano-Biomaterials
6. Analytical and Testing Center
7. Sichuan University
8. Chengdu
9. Department of Gastroenterology
10. The Affiliated Hospital of North Sichuan Medical College
11. Nanchong