1. Department of Pathology, School of Basic Medical Sciences, Xiangya Hospital Central South University Changsha China
2. Department of Clinical Research Center, Hengyang Medical School, The Second Affiliated Hospital University of South China Hengyang China
3. Department of Histology and Embryology, School of Basic Medical Sciences Central South University Changsha China
4. China‐Africa Research Center of Infectious Diseases, School of Basic Medical sciences Central South University Changsha China