1. Netherlands Institute for the Study of Crime and Law Enforcement (NSCR); Amsterdam The Netherlands
2. Research and Documentation Centre (WODC); Ministry of Security and Justice; The Hague The Netherlands
3. Altrecht; Den Dolder The Netherlands
4. Behavioral Science Institute (BSI); Radboud University; Nijmegen The Netherlands
5. Department of Criminology; University of Pennsylvania; PA USA
6. Department of Psychiatry; University of Pennsylvania; PA USA
7. Department of Psychology; University of Pennsylvania; PA USA
8. Faculty of Law; VU University; Amsterdam The Netherlands