1. Kangnam Sacred Heart Hospital, Hallym University Medical Center, Seoul, South Korea
2. Department of Nursing, Hallym University, Chuncheon, South Korea
3. Department of Nursing, Institute of Health Science, Inje University, Busan, South Korea
4. College of Health Science, Department of Nursing, Kangwon National University, Samcheok, South Korea
5. Red Cross College of Nursing, Chung-Ang University, Seoul, South Korea
6. Department of Nursing, Sahmyook University, Seoul, South Korea