1. Department of Social Psychology, University of Amsterdam, Amsterdam, Netherlands
2. Deparetment of Developmental Disorders, Dimence Institute of Mental Health, Deventer, Netherlands
3. ORCAT, Zutphen, Netherlands
4. Department of Mental Health Nusing, Inholland University of Applied Sciences, Amsterdam, Netherlands
5. Department of Psychiatry and Public Health Research, Amsterdam University Medical Centre, Amsterdam, Netherlands
6. Parnassia Psychiatric Institute, The Hague, Netherlands