1. Department of Geriatrics The First Affiliated Hospital of China Medical University Shenyang Liaoning China
2. Department of Urinary Surgery The Central Hospital of Xiaogan Xiaogan Hubei China
3. Department of Pathology Shenyang KingMed Center for Clinical Laboratory Co., Ltd. Shenyang Liaoning China
4. Department of Pathophysiology College of Basic Medical Science China Medical University Shenyang Liaoning China
5. Department of General Surgery The Fourth Affiliated Hospital of China Medical University Shenyang Liaoning China
6. Division of Geriatric Medicine and Gerontology Department of Medicine Johns Hopkins University School of Medicine Baltimore MD USA
7. Department of Biochemistry and Molecular Biology School of Life Sciences China Medical University Shenyang Liaoning China
8. Department of Histology and Embryology Youjiang Medical College for Nationalities Baise Guangxi China