1Occupational Safety & Health Research Institute, Korea Occupational Safety and Health Agency (KOSHA), Korea. yk.chungmd@gmail.com
2Department of Clinical Nursing, University of Ulsan, Korea. jsjeong@amc.seoul.kr
3College of Nursing, Pusan National University, Korea.
4Infection Control Office, Severance Hospital, Korea.
5Infection Control Office, Samsung Medical Center, Korea.
6Infection Control Office, Ajou University Hospital, Korea.
7Department of Nursing, Woosuk University, Korea.
8Infection Control Office, Dankuk University Hospital, Korea.
9Infection Control Office, Kunkuk University Hospital, Korea.
10Infection Control Office, Asan Medical Center, Korea.
11Keimyung University Dongsan Medical Center, Korea.