1. WODC (Research and Documentation Centre) of the Dutch Ministry of Security and Justice, The Hague, The Netherlands
2. During the time that the research was conducted the affiliation of C.S. Barendregt was: Scientific Center for Care & Welfare (Tranzo), Tilburg University, The Netherlands
3. GGzE Center for Child & Adolescent Psychiatry, Eindhoven, The Netherlands
4. Scientific Center for Care & Welfare (Tranzo), Tilburg University, The Netherlands