1. Department of Child Neurology, Amsterdam Leukodystrophy Center Amsterdam UMC location Vrije Universiteit Amsterdam, Emma's Children's Hospital Boelelaan 1117 Amsterdam The Netherlands
2. Amsterdam Neuroscience, Cellular & Molecular Mechanisms Amsterdam The Netherlands
3. Department of Endocrinology and Metabolism Amsterdam UMC location University of Amsterdam Meibergdreef 9 Amsterdam The Netherlands
4. Center for Translational Immunology University Medical Center Utrecht Utrecht The Netherlands
5. Pediatric Transplant Center Princess Máxima Center for Pediatric Oncology Utrecht The Netherlands
6. Department of Child Neurology and Developmental Medicine University Children's Hospital Tübingen Hoppe‐Seyler‐Straße 1 72076 Tübingen Germany
7. Diagnostic and Interventional Neuroradiology, Department of Radiology University Hospital Tübingen Hoppe‐Seyler‐Straße 3 72076 Tübingen Germany
8. Department of Integrative Neurophysiology, Center for Neurogenomics and Cognitive Research Vrije Universiteit Amsterdam Amsterdam The Netherlands