Affiliation: | 1. Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Korea University, , Seoul, Korea;2. Department of Internal Medicine, Eulji University School of Medicine, , Seoul, Korea;3. Diabetes Center, Eulji Hospital, , Seoul, Korea;4. Department of Biostatistics, College of Medicine, Korea University, , Seoul, Korea;5. Department of Pathology, College of Medicine, Korea University, , Seoul, Korea |