1. Department of Pathology, Xiang-ya Hospital, Central South University, Changsha City, Hunan Province, China
2. Department of Pathology, School of Basic Medicine, Central South University, Changsha City, Hunan Province, China
3. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
4. Department of Respiratory Medicine, National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China
5. Key Laboratory of Hunan Province in Neurodegenerative Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
6. Ultrapathology (Biomedical electron microscopy) Center, Department of Pathology, Xiang-ya Hospital, Central South University, Changsha City, Hunan Province, China