1. State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery West China Hospital of Stomatology (Sichuan University) Chengdu China
2. Department of Stomatology Zhoushan HospitalWenzhou Medical University. Zhoushan Zhejiang China
3. State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral Pathology West China Hospital of Stomatology (Sichuan University) Chengdu China
4. Department of Oral and Maxillofacial Surgery Binzhou Medical University Hospital Binzhou China