1. Department of Child Neurology and Metabolic Disorders University Children's Hospital Heidelberg Germany
2. Department of Neuroradiology University Hospital Heidelberg Heidelberg Germany
3. UCSD Departments of Neuroscience and Pediatrics; Rady Children's Hospital Division of Neurology Rady Children's Institute for Genomic Medicine San Diego California USA
4. Unit of Child Neurology and Psychiatry, Department of Human Neuroscience, Sapienza University of Rome Rome Italy
5. University of British Columbia, Department of Pediatrics, Division of Biochemical Genetics BC Children's Hospital Vancouver British Columbia Canada
6. Inborn Errors of Metabolism Unit, Department of Neurology Institut de Recerca Sant Joan de Déu and CIBERER‐ISCIII Barcelona Spain
7. Unit of Pediatric Neurology and Metabolic Disorders, Department of Pediatrics Hospital Germans Trias i Pujol and Faculty of Medicine, Universitat Autònoma de Barcelona Barcelona Spain
8. Division of Clinical and Metabolic Genetics, Department of Pediatrics University of Toronto, The Hospital for Sick Children Toronto Ontario Canada
9. Faculty of Medicine, Department of Pediatrics, Section of Metabolism Hacettepe University Ankara Turkey
10. First Department of Pediatrics of the University of Athens, Aghia Sofia Hospital Athens Greece
11. Department of Pediatrics and Inherited Metabolic Disorders, First Faculty of Medicine Charles University and General University Hospital in Prague Prague Czech Republic
12. Children's Department, Division of Child Neurology, Oslo University Hospital, Rikshospitalet Oslo Norway
13. Department of Neurology Oslo University Hospital Oslo Norway
14. Department of Neurology, Neurometabolic Unit, and Synaptic Metabolism Laboratory Hospital Sant Joan de Déu, Esplugues de Llobregat Barcelona Spain
15. Universitat de Barcelona Barcelona Spain
16. Department of Pediatric Neurology Hospital Virgen de la Arrixaca, Murcia Madrid Spain
17. IMIB‐Arrixaca Murcia, CIBERER‐ISCIII Madrid Spain
18. Service of Psychiatry, Hospital Benito Menni – Hospital General de Granollers Barcelona Spain
19. Department of Pediatric Neurology Hospital Gregorio Marañón Madrid Spain
20. Department of Human Neuroscience, Sapienza University of Rome Rome Italy
21. Child Neurology and Developmental Pediatrics, 1st Department of Pediatrics Aristotle University of Thessaloniki Thessaloniki Greece
22. Pediatric Neurology Unit, Department of Pediatrics, University Hospital Reina Sofía IMIBIC and CIBERER Córdoba Spain
23. Department of Pediatrics UKE Hamburg