1. Department of Radiology Iris Hospitals South Brussels Belgium
2. Molecular Genetic Laboratory ULB Erasme Brussels Belgium
3. Department of Fetal Medicine Iris Hospitals South Brussels Belgium
4. Department of Pediatric Neurology and hereditary metabolic diseases CHU Saint‐ Luc Brussels Belgium
5. Laboratory of Biochemistry de Duve Institute Brussels Belgium
6. Department of Genetics CHU Saint‐Luc Brussels Belgium