1Department of Nursing, Youngdong University, Korea.
2Department of Nursing, Sangji University, Korea. jschoi408@empal.com
3Department of Clinical Nursing, University of Ulsan, Korea.
4Infection Control Office, Severance Hospital, Korea.
5Infection Control Office, Samsung Medical Center, Korea.
6Infection Control Office, Ewha Womans University Mookdong Hospital, Korea.
7Infection Control Office, Ajou University Hospital, Korea. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/