1. College of Nursing, Seoul National University, Seoul, Korea.
2. College of Nursing, The Catholic University of Korea, Seoul, Korea.
3. Department of Nursing, Semyung University, Jecheon, Korea.
4. Red Cross College of Nursing, Chung-Ang University, Seoul, Korea.
5. Division of Nursing Science, College of Health Science, Ewha Womans Univeristy, Seoul, Korea.
6. Department of Nursing, Sahmyook University, Seoul, Korea.
7. Department of Nursing, Gangneung Wonju Natioanal University, Wonju, Korea.
8. Graduate School of Public Health, Ajou University, Suwon, Korea.
9. College of Nursing, Yonsei University, Seoul, Korea.
10. Department of Nursing, Dongeui University, Busan, Korea.
11. Korea Human Resource Development Institute for Health & Welfare, Osong, Korea.