1. Department of Nursing; People's Hospital of Zhongshan City; Zhongshan Guangdong China
2. Department of Human Resource; People's Hospital of Zhongshan City; Zhongshan Guangdong China
3. School of Nursing; Shanghai Jiao Tong University; Shanghai China
4. Department of Hospital Infection Control; People's Hospital of Zhongshan City; Zhongshan Guangdong China
5. School of Nursing; Second Military Medical University; Shanghai China