1. Department of Pathology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
2. Department of Blood Transfusion, Xiangya Hospital, Clinical Transfusion Research Center, Central South University, Changsha 410008, Hunan, China
3. Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
4. Departments of Ultrasound Imaging, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
5. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China