1. Centre of Excellence for Neuropsychiatry Vincent van Gogh Institute for Psychiatry Venray the Netherlands
2. Department of Psychiatry Erasmus University Medical Centre Rotterdam the Netherlands
3. Donders Institute for Brain, Cognition and Behaviour Radboud University Nijmegen the Netherlands
4. Stevig Specialized and Forensic Care for People with Intellectual Disabilities, Dichterbij Oostrum the Netherlands
5. ASVZ Institutes for Intellectual Disabilities Leerdam the Netherlands
6. Department of Human Genetics Radboud University Medical Center Nijmegen the Netherlands