1. School of Nursing, Soonchunhyang University, Cheonan, Korea.
2. College of Nursing · Research Institute of Nursing Science, Seoul National University, Seoul, Korea.
3. College of Nursing · Research Institute of Nursing Science, Ajou University, Suwon, Korea.
4. College of Nursing Science · East-West Nursing Research Institute, Kyung Hee University, Seoul, Korea.
5. College of Nursing, CHA University, Pocheon, Korea.
6. Red-Cross College of Nursing, Chung-Ang University, Seoul, Korea.