1. Center of Excellence for Neuropsychiatry Vincent van Gogh Institute for Psychiatry Venray The Netherlands
2. Donders Institute for Brain, Cognition and Behaviour Radboud University Nijmegen Nijmegen The Netherlands
3. Department of Human Genetics Radboud University Medical Center Nijmegen The Netherlands
4. Stevig Specialized and Forensic Care for People with Intellectual Disability Oostrum The Netherlands
5. Department for Intellectual Disabilities Karakter Child and Adolescent Psychiatry Ede The Netherlands
6. Department of Psychiatry Radboud University Medical Center Nijmegen The Netherlands