1. College of Nursing and Research Institute of Nursing Science, Pusan National University, Yangsan, Korea.
2. Brain Korea 21 FOUR Project, Yonsei University, Seoul, Korea.
3. College of Nursing and Mo-Im Kim Nursing Research Institute, Yonsei University, Seoul, Korea.
4. Red Cross College of Nursing, Chung-Ang University, Seoul, Korea.
5. College of Nursing, Chonnam National University, Gwangju, Korea.