1. Department of Physiology and Pathophysiology of Nutrition, Institute of Nutritional Science, University of Potsdam, 14558 Nuthetal, Germany
2. Department of Behavioural Biology, Osnabruck University, 49076 Osnabruck, Germany
3. Interdisciplinary Center of 3Rs in Animal Research (ICAR3R), Clinic of Veterinary Medicine, Justus Liebig University of Giessen, 35392 Giessen, Germany