1. Division of Endocrinology and Metabolism, Department of Internal Medicine and Research institute of Clinical Medicine, Chonbuk National University Medical School, Jeonju, Korea.
2. Biomedical Research Institute, Chonbuk National University Hospital, Jeonju, Korea.
3. Department of Food Science and Human Nutrition and Research Institute of Human Ecology, Chonbuk National University, Jeonju, Korea.