1. University of Groningen, Department of Clinical Psychology and Experimental Psychopathology, Grote Kruisstraat 2/1, 9712 TS Groningen, The Netherlands, 2Department of Behavioural and Cognitive Neuroscience (BCN), Ant. Deusinglaan 1, 9713 AV Groningen, The Netherlands, and 3Department of Anatomy, University Medical Centre Groningen (UMCG), Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands