1. Department of Community Mental Health in Learning Disabilities; Trajectum; Zutphen The Netherlands
2. Forensic Psychiatric Department; STEVIG/Dichterbij; Oostrum The Netherlands
3. Department of Clinical Genetics; University Medical Center, Utrecht; Utrecht The Netherlands
4. Department of Clinical Genetics; Radboud University Medical Center; Nijmegen The Netherlands
5. Department of Human Genetics; Radboud University Medical Center; Nijmegen The Netherlands
6. Department of Genetics; University Medical Center, Groningen; Groningen The Netherlands
7. Department of Radiology and Nuclear Medicine; University Medical Center, Utrecht/Wilhelmina Children's Hospital; Utrecht The Netherlands
8. Department of Clinical Genetics and School for Oncology and Developmental Biology; Maastricht University Medical Center; Maastricht The Netherlands