1. Department of Oral and Maxillofacial Surgery; Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomotology; Shanghai; China
2. Discipline of Oral and Maxillofacial Surgery, Faculty of Dentistry; National University of Singapore; Singapore
3. Department of Oral Pathology; Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomotology; Shanghai; China