1. State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China;
2. Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China;
3. Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, China;
4. Department of Pediatrics, West China Hospital of Stomatology, Sichuan University, Chengdu, China;
5. Woody L. Hunt School of Dental Medicine, Texas Tech University Health Sciences Center, EI Paso, TX, USA