1. Shengli Clinical Medical College of Fujian Medical University Fuzhou China
2. Department of Geriatric Medicine Fujian Provincial Hospital Fuzhou China
3. Fujian Health College Fuzhou China
4. Nursing School of Fujian Medical University Fuzhou China
5. Fujian Provincial Center for Geriatrics Fuzhou China
6. Fujian Provincial Key Laboratory of Geriatrics Fuzhou China