1. Department of Pathology, Xiangya Changde Hospital, Changde, China
2. Department of Emergency, Xiangya Hospital, Central South University, Changsha, China
3. Department of Emergency, Xiangya Changde Hospital, Changde, China
4. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
5. Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
6. Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China