1. Psychosomatic Medicine and Psychotherapy Department, University of Tübingen, Tübingen, Germany
2. Graduate Training Centre of Neuroscience, International Max Planck Research School, University of Tübingen, Tübingen, Germany
3. Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, German Center for Diabetes Research (DZD e.V.), Tübingen, Germany
4. Institute of Pharmaceutical Sciences, Department of Pharmacy and Biochemistry, University of Tübingen, Tübingen, Germany