1. Institute of Medical Psychology and Behavioral Neurobiology, University of Tübingen, Germany, International Max Planck Research School of Neural & Behavioral Sciences, Tübingen, Germany,
2. Institute of Medical Psychology and Behavioral Neurobiology, University of Tübingen, Germany
3. Department of Computer Engineering, University of Tübingen, Germany
4. Department of Clinical and Cognitive Neuroscience, University of Heidelberg, Central Institute of Mental Health, Mannheim, Germany
5. Institute of Medical Psychology and Behavioral Neurobiology, University of Tübingen, Germany, National Institute of Health, NINDS, Human Cortical Physiology Unit, Bethesda, MD, USA