1Department of Nursing, Samsung Medical Center, Seoul, Korea.
2Department of Nursing Science, Woo Suk University, Wanju, Korea.
3Department of Internal Medicine, Seoul St. Mary's Hospital, Seoul, Korea.
4Division of Endocrinology and Metabolism, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
Copyright © 2014 Korean Diabetes Association
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.