1. Department of Pathology, Xiangya Hospital, School of Basic Medical Sciences, Central South University, Changsha, China
2. Xiangya Medical School, Central South University, Changsha, China
3. Department of Neurology, The Third Xiangya Hospital of Central South University, Changsha, China
4. Department of Obstetrics and Gynecology, The Third Xiangya Hospital of Central South University, Changsha, China
5. China-Africa Research Center of Infectious Diseases, School of Basic Medical sciences, Central South University, Changsha, China
6. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China