1 Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland; San Francisco VA Medical Center, San Francisco, CA, USA.
2 Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland; Center for Cognition, Learning and Memory, University of Bern, Bern, Switzerland.
3 Center for Cognition, Learning and Memory, University of Bern , Bern , Switzerland.
4 San Francisco VA Medical Center, San Francisco, CA, USA; Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA.