1. Associate Professor, Department of Nursing, Gangneung-Wonju National University, Wonju, Korea.
2. Professor, Department of Nursing, Gangneung-Wonju National University, Wonju, Korea.
3. Ph.D. Candidate, Department of Nursing, Gangneung-Wonju National University, Wonju, Korea.
4. Associate Professor, Department of Nursing, Seoil University, Seoul, Korea.