1. State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
2. Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
3. Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
4. Yunnan Key Laboratory of Stomatology, The Affiliated Hospital of Stomatology, School of Stomatology, Kunming Medical University, Kunming, Yunnan, PR China