1. Department of Psychiatry and Psychotherapy, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
2. Department of Psychiatry, University of British Columbia, Vancouver, British Columbia, Canada3BC Mental Health and Addictions Research Institute, Vancouver, British Columbia, Canada
3. Department of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
4. Department of Psychiatry, University of British Columbia, Vancouver, British Columbia, Canada
5. Department of General Psychiatry, Center for Psychosocial Medicine, Heidelberg, Germany6Department of Experimental Psychopathology and Neurophysiology, Center for Psychosocial Medicine, Heidelberg, Germany