1. Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
2. Department of Biomedical Informatics, School of Life Sciences, Central South University, Changsha, China
3. Xiangya School of Medicine, Central South University, Changsha, China
4. Department of Emergency, Xiangya Hospital, Central South University, Changsha, China