1. Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital, Goethe University of Frankfurt, Frankfurt, Germany
2. Department of Psychiatry, Psychosomatics and Psychotherapy, University Hospital, University of Wuerzburg, Wuerzburg, Germany
3. Current: Department of Psychiatry and Behavioral Sciences, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
4. CNS Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
5. Ernst Struengmann Institute for Neuroscience in Cooperation with Max Planck Society, Frankfurt, Germany