1. Department of Clinical Nutrition, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany;
2. Department of Endocrinology, Diabetes and Nutrition, Campus Benjamin Franklin, Charité University Medicine, Berlin, Germany;
3. German Center for Diabetes Research (DZD), München, Germany;
4. Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany;
5. German Center for Cardiovascular Research (DZHK), Berlin, Germany