1. Department of Oral and Maxillofacial-Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, PR China
2. Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai, PR China
3. Department of Oral Pathology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China