Department of Nutrition and Food Sciences, Nutritional Physiology, University of Bonn, 53115 Bonn, Germany. c.diekmann@uni-bonn.de. Department for Neurodegenerative Diseases and Geriatric Psychiatry, University Hospital Bonn, 53127 Bonn, Germany. Michael.Wagner@ukb.uni-bonn.de. DZNE, German Center for Neurodegenerative Diseases, 53127 Bonn, Germany. Michael.Wagner@ukb.uni-bonn.de. Department of Nutrition and Food Sciences, Nutritional Physiology, University of Bonn, 53115 Bonn, Germany. h.huber@uni-bonn.de. Human Resource Development, Healthy Campus Bonn, University of Bonn, 53115 Bonn, Germany. mp@uni-bonn.de. University Sports, University of Bonn, 53117 Bonn, Germany. pp@uni-bonn.de. Department of Circulation Research and Sports Medicine, Preventive and Rehabilitative Sports and Performance Medicine, German Sport University Cologne, 50933 Cologne, Germany. predel@dshs-koeln.de. Central Laboratory, Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, 53127 Bonn, Germany. birgit.stoffel-wagner@ukbonn.de. Institute of Medical Biometry, Informatics and Epidemiology, University Hospital Bonn, 53127 Bonn, Germany. fimmers@ukb.uni-bonn.de. Department of Nutrition and Food Sciences, Nutritional Physiology, University of Bonn, 53115 Bonn, Germany. p.stehle@uni-bonn.de. Department of Nutrition and Food Sciences, Nutritional Physiology, University of Bonn, 53115 Bonn, Germany. Sarah.Egert@uni-hohenheim.de. Institute of Nutritional Medicine, University of Hohenheim, 70599 Stuttgart, Germany. Sarah.Egert@uni-hohenheim.de.