1. Berlin Center for Mental Health in Developmental Disabilities Ev. Krankenhaus Königin Elisabeth Herzberge Berlin Germany
2. Psychiatric Aspects of Intellectual Disability University Nijmegen Nijmegen The Netherlands
3. Liebenau Clinics Catholic University of Freiburg Germany
4. ORO Helmond The Netherlands
5. Freelancer for Education and Research Schwifting Germany
6. WittekindshofBad Oeynhausen Germany
7. Psychiatric Centre Caritas Melle Melle Belgium
8. Cordaan Jeugd Amsterdam The Netherlands
9. San Sebastiano Foundation CREA (Clinical and Research Centre) Florence Italy
10. Nottinghamshire Healthcare NHS Foundation Trust Nottingham UK
11. Psychiatric Centre Dr. Guislain Ghent Belgium
12. University College Ghent Ghent Belgium
13. Faculty of Behavioural and Movement Sciences Vrije Universiteit Amsterdam Amsterdam The Netherlands