1. Center for Medical Genetics UZ Brussel Brussels Belgium
2. Neurogenetics Research Group, Reproduction Genetics and Regenerative Medicine Research Group Vrije Universiteit Brussel Brussels Belgium
3. Paediatric Neurology Unit, Department of Paediatrics UZ Brussel Brussels Belgium
4. Centre de dépistage néonatal de l’ULB Brussels Belgium
5. Department of Pediatrics Ghent University and Ghent University Hospital Ghent Belgium
6. Department of Pediatric Neurology University Hospital Antwerp (UZA) Antwerp Belgium
7. Department of Medical Genetics University Hospital Antwerp (UZA) Antwerp Belgium
8. Clinic of Pediatric Neurology "Prof. Dr. Alexandru Obregia" Clinical Psychiatric Hospital Bucharest Romania
9. "Carol Davila" University of Medicine and Pharmacy Bucharest Romania
10. VUB Metabolomics Platform, Vrije Universiteit Brussel and Laboratory for Molecular Diagnostics AZ Delta Roeselare Roeselare Belgium