1. Department of Nursing, Inha University, Incheon, Korea.
2. Department of Nursing, SMG-SNU Boramae Medical Center, Seoul, Korea.
3. Department of Nursing, Seoul National University Hospital, Seoul, Korea.
4. Department of Nursing, Dongguk University Ilsan Hospital, Goyang, Korea.
5. Department of Nursing, Ajou University Hospital, Suwon, Korea.
6. Department of Nursing, Korea University Guro Hospital, Seoul, Korea.
7. Department of Nursing, Pai Chai University, Daejeon, Korea.
8. Department of Nursing, National Cancer Center, Goyang, Korea.