1. Laboratory of Bone Tissue Engineering
2. Beijing Laboratory of Biomedical Materials
3. Beijing Research Institute of Traumatology and Orthopaedics
4. Beijing Jishuitan Hospital
5. Beijing 100035
6. Depatment of Orthopaedic Oncology Surgery
7. Peking Universit
8. China
9. Department of Spine Surgery
10. Peking University