1. State Key Laboratory of Oral Diseases
2. West China Hospital of Stomatology
3. Sichuan University
4. Chengdu 610041
5. China
6. State Key Laboratory of Biotherapy and Laboratory for Aging Research
7. West China Hospital
8. Sichuan University and Collaborative Innovation Center for Biotherapy
9. Chengdu
10. Research Center for Nano Biomaterials
11. Analytical & Testing Center
12. P. R. China