1. Institute of Human Nutrition and Food Science
2. Clinic of Radiology and Neuroradiology, Biomedical Imaging, Molecular Imaging North Competence Centre, University Medical Center Schleswig Holstein, Christian-Albrechts University, Kiel, Germany
3. the Body Composition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA
4. Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany