1. Department of Nursing, Gangneung-Wonju National University, Wonju, Korea.
2. Department of Nursing, Kyungdong University, Wonju, Korea.
3. Department of Nursing, Songho University, Hoengseong, Korea.
4. Department of Nursing Science, Andong Science College, Andong, Korea.
5. Department of Nursing, Songgok College, Chuncheon, Korea.