1. Section of Endocrinology and Metabolism (O.T., D.G.Y., D.Y., S.S., O.D., S.A.), Marmara University School of Medicine, 34060 Istanbul, Turkey
2. Departments of Cardiology (B.O.), Marmara University School of Medicine, 34060 Istanbul, Turkey
3. Biochemistry (A.Te.), Marmara University School of Medicine, 34060 Istanbul, Turkey
4. Vocational School of Health Professionals (A.V.O., M.Y.), Marmara University School of Medicine, 34060 Istanbul, Turkey
5. Department of Internal Medicine (A.To.), Marmara University School of Medicine, 34060 Istanbul, Turkey