1. Department of Nursing, Zhongshan Hospital, China
2. School of Nursing and Midwifery, University of Plymouth, UK
3. Department of Biostatistics, Zhongshan Hospital, China
4. Nursing School, Fudan University, China
5. Department of Cardiac Surgical Intensive Care Unit, Zhongshan Hospital, China
6. Department of Cardiac Surgery, Zhongshan Hospital, China