1. Division of Cardiology, Department of Internal Medicine, Eulji University School of Medicine, Daejeon, Korea
2. Department of Cardiovascular Pharmacology, Mokpo National University, Mokpo, Korea
3. Division of Endocrinology, Department of Internal Medicine, Daejeon, Korea
4. Department of Biochemistry-Molecular Biology, Eulji University School of Medicine, Daejeon, Korea