1. Department of Nursing, Inha University, Incheon, Korea.
2. College of Nursing, Jeju National University, Jeju, Korea.
3. Seoul Women's College of Nursing, Seoul, Korea.
4. Catholic University of Korea Seoul St. Mary's Hospital, Seoul, Korea.
5. Department of Nursing, Changwon National University, Changwon, Korea.
6. Eulji University, College of Nursing, Daejeon, Korea.
7. Samsung Medical Center, Seoul, Korea.
8. Department of Nursing, Chung-Ang University, Seoul, Korea.