1. Institute for Experimental Endocrinology, Center of Brain Behavior & Metabolism, University of Lübeck, Lübeck, Germany.
2. Multimodal Imaging of Brain Metabolism, Max-Planck-Institute for Metabolism Research, Cologne, Germany.
3. Institute of Experimental and Clinical Pharmacology and Toxicology, University of Lübeck, Lübeck, Germany.
4. Institute for Neurobiology, Center of Brain Behavior & Metabolism, University of Lübeck, Lübeck, Germany.