1. Nursing Department,The First People's Hospital of Hefei, China
2. Gerontology Department, Binhu District of The First People's Hospital of Hefei, China
3. Dean's Office, The First People's Hospital of Hefei, China
4. Infection Department, Binhu District of The First People's Hospital of Hefei, China
5. Department of Critical Care Medicine, Binhu District of The First People's Hospital of Hefei, China
6. Emergency Department, Binhu District of The First People's Hospital of Hefei, China
7. Graduate School, Wannan Medical College, China
8. Department of Cardiology, The First People's Hospital of Hefei, China
9. Infection Department, The First People's Hospital of Hefei, China