1. Departments of Pediatrics (J.H.P., I.H.C., E.-G.Y.), Sungnam 463-712, Korea
2. Dermatology (D.H.K.), CHA University, Sungnam 463-712, Korea
3. Future Convergence Research Division (M.H.C.), Korea Institute of Science and Technology, Seoul 136-791, Korea
4. Division of Nutrition and Metabolic Diseases (A.G.), Department of Internal Medicine, Center for Human Nutrition, UT Southwestern Medical Center, Dallas, Texas 75390