1 Department of Psychiatry, Faculty of Medicine, University of Zurich, Zurich, Switzerland; Department of Psychology, Faculty of Humanities, University of Fribourg, Fribourg, Switzerland.
2 Department of Psychology, Faculty of Humanities, University of Fribourg, Fribourg, Switzerland; Department of Psychiatry, Faculty of Medicine, University of Bern, Bern, Switzerland.
3 Department of Psychiatry, Faculty of Medicine, University of Zurich, Zurich, Switzerland.
4 Department of Psychiatry, Faculty of Medicine, University of Zurich, Zurich, Switzerland. Electronic address: stephan.egger3@uzh.ch.