1. Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
2. State Key Laboratory of Oral Disease, West China Hospital of Stomatology, National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu 610064, China
3. Department of Operative Dentistry and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
4. West China School of Stomatology, Sichuan University, Chengdu 610041, China
5. Chinese Academy of Sciences Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
6. State Key Laboratory of Bioreactor Engineering, East China University of Science & Technology, Shanghai 200237, China