1. Department of Geriatrics, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
2. Department of Emergency, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
3. Department of Psychology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
4. Department of Nursing, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China