1. From the Departments of Cardiology (K.K.K., S.H.H., D.K.J., E.K.S.), Laboratory Medicine (J.Y.A.), Radiology (H.S.K.), Preventive Medicine (Biostatistics) (D.S.K.), Gachon Medical School, Incheon, Korea; Diabetes Unit (M.J.Q.), Laboratory of Clinical Investigation, National Center for Complimentary and Alternative Medicine, National Institutes of Health, Bethesda, Md.