1. Nursing Department of Qilu Hospital of Shandong University; Jinan China
2. Centre for Cardiovascular and Chronic Care; University of Technology; Sydney NSW Australia
3. School of Nursing and Midwifery; University of Western Sydney; Sydney NSW Australia
4. Jinan Infectious Disease Hospital; Jinan China
5. Qilu Hospital of Shandong University; Jinan China
6. School of Nursing; Johns Hopkins University Baltimore; Maryland USA