1. West China Hospital of Stomatology, Sichuan University, State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Chengdu, Sichuan, China
2. West China Hospital of Stomatology, Sichuan University, Department of Head and Neck Oncology, Chengdu, Sichuan, China
3. West China Hospital of Stomatology, Sichuan University, Department of Oral and Maxillofacial Surgery, Chengdu, Sichuan, China