1. Institute of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Biochemical and Pharmacological Center (BPC) Marburg, University of Marburg, 35032 Marburg, Germany
2. Institute of Physiology and Pathophysiology, Vegetative Physiology, University of Marburg, 35037 Marburg, Germany
3. Center for Mind, Brain and Behavior (CMBB), University of Marburg, 35032 Marburg, Germany
4. Behavioral Neuroscience, Experimental and Biological Psychology, University of Marburg, 35032 Marburg, Germany
5. Institute of Physiology, University of Gießen, 35392 Giessen, Germany
6. Social and Affective Neuroscience Research Group, Laboratory of Biological Psychology, Research Unit Brain and Cognition, Faculty of Psychology and Educational Sciences, KU Leuven, B-3000 Leuven, Belgium
7. Leuven Brain Institute, KU Leuven, B-3000 Leuven, Belgium