1. The 2nd Dental Center and Central Laboaratory
2. School and Hospital of Stomatology
3. Peking University
4. Beijing 100081
5. China
6. Department of Stomatology
7. Shenzhen Maternity & Child Healthcare Hospital
8. Shenzhen
9. Center for Biomedical Materials and Tissue Engineering
10. Academy for Advanced Interdisciplinary Studies
11. Beijing 100871
12. Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences
13. Chongqing Medical University
14. Chongqing 401147