1. School of Nursing Chengdu University of Traditional Chinese Medicine Chengdu China
2. Department of Periodical Press and National Clinical Research Center for Geriatrics, Nursing Key Laboratory of Sichuan Province, West China Hospital Sichuan University Chengdu China
3. School of Clinical Medicine Chengdu University of Traditional Chinese Medicine Chengdu China
4. Affiliated Hospital of Chengdu University of Traditional Chinese Medicine Chengdu China
5. West China School of Nursing/Department of Nursing, West China Hospital Sichuan University Chengdu China
6. Nursing department Affiliated Hospital of Chengdu University of Traditional Chinese Medicine Chengdu China