1. Endocrine Research Laboratories (M.Bid., M.Bie.), Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, 80336 Munich, Germany
2. Metabolic Center (N.F., H.W.), Institute of Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, 17475 Greifswald, Germany
3. Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH) (R.T.E., A.D.), Institute of Epidemiology II, 85764 Neuherberg, Germany
4. Department of Endocrinology, Diabetes, and Nutrition (J.S., A.F.H.P., A.M.A.), Charité-University Medicine Berlin, 10117 Berlin, Germany
5. Experimental and Clinical Research Center (J.S.), Charité-University Medicine Berlin and Max-Delbrück Centre Berlin-Buch, 13125 Berlin, Germany
6. Center for Cardiovascular Research (J.S., A.M.A.), Charité-University Medicine Berlin, 10115 Berlin, Germany
7. Children's Clinic Randers (O.D.W.), DK-8900 Randers, Denmark
8. Göteborg Pediatric Growth Research Center (J.R.), The Sahlgrenska Academy at University of Gothenburg, 41685 Gothenburg, Sweden
9. Center for Pediatric Research (A.K.), Hospital for Children and Adolescents, Department of Women's and Child Health, University of Leipzig, 04103 Leipzig, Germany
10. Klinische Abteilung und Labor für Endokrinologie und Stoffwechsel (B.O.-P.), Universitätsklinik für Innere Medizin, Medizinische Universität Graz, 8036 Graz, Austria
11. Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe-Grosshadern (C.H.), Klinikum der Universität München, 81377 Munich, Germany
12. Medical Research Laboratory (J.F.), Department of Clinical Medicine, Faculty of Health, Aarhus University, DK-8000 Aarhus, Denmark
13. Department of Endocrinology and Internal Medicine (J.F.), Aarhus University Hospital, DK-8000 Aarhus, Denmark
14. Department of Clinical Nutrition (A.F.H.P., A.M.A.), German Institute of Human Nutrition Potsdam-Rehbruecke, 14558 Nuthetal, Germany