1. Department of Pathology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
2. Department of Pathology, School of Basic Medical Science, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan, China
3. Department of Oncology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
4. School of Computer Science and Engineering, South China University of Technology, Guangzhou 510640, Guangdomg, China
5. Department of Radiology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
6. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China