1. Nursing School, Beijing University of Chinese Medicine, 11 North Third Road, Chaoyang District, Beijing 100029, China
2. Department of General Practice, Center for Public Health, Medical University of Vienna, Kinderspitalgasse 15/1, 1090 Vienna, Austria
3. Nursing Administration Department, Beijing University of Chinese Medicine Third Affiliated Hospital, 51 Andingmengwai Xiaoguan Street, Chaoyang District, Beijing 100029, China
4. Department of Clinical Nursing, Nursing School, Beijing University of Chinese Medicine, 11 North Third Road, Chaoyang District, Beijing 100029, China
5. Center for Nursing Research, Nursing School, Beijing University of Chinese Medicine, 11 North Third Road, Chaoyang District, Beijing 100029, China