1. Institute of Nutrition and Food Science, Nutritional Physiology, University of Bonn, 53115 Bonn, Germany
2. Department of Human Nutrition, Institute of Human Nutrition and Food Science, Christian-Albrechts-University Kiel, 24105 Kiel, Germany
3. Department of Food Science, Institute of Human Nutrition and Food Science, Christian-Albrechts-University Kiel, 24098 Kiel, Germany
4. Institute of Animal Nutrition and Physiology, Christian-Albrechts-University Kiel, 24118 Kiel, Germany