1. Department of Healthcare Management, Eulji University, Seongnam, Korea.
2. Department of Humanities and Social Medicine, College of Medicine and Catholic Institute for Healthcare Management, The Catholic University of Korea, Seoul, Korea.
3. Seoul National University Bundang Hospital, Seongnam, Korea.
4. Diabetes Education Unit, Samsung Medical Center, Seoul, Korea.
5. Department of Nursing, Dongnam Health College, Suwon, Korea.
6. Graduate School of Public Health, Korea University, Seoul, Korea.
7. University of Maryland School of Nursing, Baltimore, MD, USA.