1Department of Internal Medicine, Inha University School of Medicine, Incheon, Korea.
2Department of Biomedical Sciences, Inha University School of Medicine, Incheon, Korea.
3Department of Endocrinology and Metabolism, Kyung Hee University School of Medicine, Seoul, Korea.
4Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea.
5Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Champaign, IL, USA.
6Department of Endocrinology and Metabolism, Ajou University School of Medicine, Suwon, Korea.
Copyright © 2018 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/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.