1. Division of Endocrinology and Metabolism, Department of Medicine (S.W.K., J.I.L., H.K.K., H.W.J., J.H.C.), Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135-710, Korea
2. Departments of Laboratory Medicine and Genetics (J.-W.K., C.-S.K.), Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135-710, Korea
3. Departments of Pathology (Y.L.O., Y.-L.C.), Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135-710, Korea
4. Departments of Radiology (J.H.S.), Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135-710, Korea