1. Department of Oral Maxillofacial Head and Neck Oncology, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P. R. China
2. Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai, P. R. China
3. Songshan Hospital, Qingdao University, Qingdao, P. R. China
4. Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao, P. R. China