1. University of Groningen, University Medical Center Groningen, Rob Giel Research Centre (RGOc) University of Groningen Groningen The Netherlands
2. Department of Psychology University of Groningen Groningen The Netherlands
3. GGZ (Mental Health Organization) Drenthe Assen The Netherlands
4. Mediant Mental Health Organization Enschede The Netherlands
5. Dimence Mental Health Organization Deventer The Netherlands
6. Accare Youth Mental Health Organization Groningen The Netherlands
7. Mental Health Organization Friesland Leeuwarden The Netherlands