1. School of Nursing, Fudan University, Shanghai, China
2. Department of Vascular Surgery, Zhongshan Hospital Affiliated to Xiamen University, Xiamen, Fujian Province, China
3. Department of Hospital Infection Control, Zhongshan Hospital Affiliated to Xiamen University, Xiamen, Fujian Province, China
4. Department of Nursing, Zhongshan Hospital Affiliated to Xiamen University, Xiamen, Fujian Province, China