1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
2. Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine and School of Medicine, Seoul, Korea.
3. Asan Institute for Life Sciences, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.
4. Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
5. Department of Convergence Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.