1. Department of Developmental, Clinical and Crosscultural Psychology, Tilburg University, P.O. Box 90153, 5000 LE Tilburg, 2Forensic Psychiatric Centre, De Rooyse Wissel, Oostrum, 3Department of Clinical Psychological Science, Maastricht University, The Netherlands, 4Department of Psychology, Harvard University and 5Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, 02138, USA