1. Department of Endocrinology and Division of Laboratory Research (C.B., S.P., H.L., B.L.H., B.S., K.M.); West-German Heart Centre Essen, University Hospital of Essen, University of Duisburg-Essen, 45122 Essen, Germany;
2. Department of Neurosurgery (M.B.), University of Erlangen-Nuremberg, 91054 Erlangen, Germany;
3. Department of Endocrinologist (M.D.), 26122 Oldenburg, Germany;
4. Department of Endocrinology (G.K.S.), Max-Planck Institute of Psychiatry, 80804 Munich, Germany;
5. Department of Endocrinology (C.J.S.), Charite Campus Mitte, 10117 Berlin, Germany;
6. Institute for Medical Informatics, Biometry, and Epidemiology (U.R., N.L., S.M., K.-H.J.); West-German Heart Centre Essen, University Hospital of Essen, University of Duisburg-Essen, 45122 Essen, Germany;
7. Department of Cardiology (S.M., R.E.), West-German Heart Centre Essen, University Hospital of Essen, University of Duisburg-Essen, 45122 Essen, Germany;
8. Pfizer Endocrine Care Europe (B.S.), Tadworth KT20 7NS, United Kingdom