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