1. Department of Epidemiology (R.d.G., B.B., J.W., M.A., H.B., C.W.), German Institute of Human Nutrition Potsdam-Rehbrücke, D-14558 Nuthetal, Germany
2. Institute of Agricultural and Nutritional Sciences (F.H., G.I.S.), Human Nutrition Group, Martin-Luther-University Halle-Wittenberg, D-06108 Halle, Germany
3. Department for Clinical Chemistry and Pathobiochemistry (S.W., B.I.), Otto-von-Guericke-University Magdeburg, 39106 Magdeburg, Germany
4. Institute of Epidemiology and Social Medicine (H.W.H.), Clinical Epidemiology Unit, University of Münster, D-48129 Münster, Germany
5. Department of Clinical Medicine (J.D.), University of Bergen, N-5020 Bergen Norway
6. Institute for Social Medicine, Epidemiology, and Health Economics (C.W.), Charité University Medical Center, 10117 Berlin, Germany