1. Else Kröner-Fresenius-Center for Nutritional Medicine,
2. Forschergruppe Diabetes,
3. Institute of Diabetes Research, Helmholtz Zentrum München, Munich, Germany
4. Department of Diagnostic and Interventional Radiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
5. ZIEL–Institute for Food and Health, Nutritional Medicine Unit, Technische Universität München, Freising, Germany