1. Departments of Endocrinology and Metabolism (F.B., T.H.B., L.H.), Odense University Hospital
2. The Danish Aging Research Center and The Danish Twin Registry (D.A., K.C.), 5000 Odense C, Denmark
3. Clinical Genetics (K.C.), Odense University Hospital
4. Clinical Biochemistry and Pharmacology (K.H.), Odense University Hospital
5. Odense Patient Data Exploratory Network (A.G.), 5000 Odense C, Denmark Institute of Clinical Research, University of Southern Denmark, 5000 Odense C, Denmark