1. State Key Laboratory of Organic-Inorganic Composites; Beijing Laboratory of Biomedical Materials; Beijing University of Chemical Technology
2. Beijing 100029
3. P.R. China
4. Department of Stomatology
5. Tianjin Medical University General Hospital
6. Tianjin 300052
7. Department of Endodontics
8. School and Hospital of Stomatology
9. Tianjin Medical University
10. Tianjin 300070
11. Department of Spine Surgery
12. Beijing Jishuitan Hospital
13. Beijing 100035
14. Laboratory of Bone Tissue Engineering
15. Beijing Research institute of Traumatology and Orthopaedics