1. College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
2. West China School/Hospital of Stomatology, Department of Periodontics, Sichuan University, Chengdu 610041, China
3. State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
4. College of Computer Science and Technology, Jilin University, Changchun 130012, China
5. National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing 100190, China
6. University of Chinese Academy of Sciences, Beijing 100190, China
7. West China School/Hospital of Stomatology, Department of Preventive Dentistry, Sichuan University, Chengdu 610041, China
8. Med-X Center for Materials, Sichuan University, Chengdu 610041, China