1. University Children's Hospital Heidelberg Division of Child Neurology and Metabolic Disorders Heidelberg Germany
2. Inborn Errors of Metabolism Unit, Department of Neurology, Recerca Sant Joan de Déu Institute CIBERER‐ISCIII and MetabERN Barcelona Spain
3. Bioinformatics and Medical Statistics Group, Faculty of Science and Technology Vic University–University of Central Catalonia Barcelona Spain
4. Children's Hospital University Medical Center Hamburg–Eppendorf Hamburg Germany
5. First Department of Pediatrics Aristotle University of Thessaloniki Thessaloniki Greece
6. Division of Biochemical Genetics, Department of Pediatrics, University of British Columbia BC Children's Hospital Vancouver British Columbia Canada
7. Department of Pediatrics and Inherited Metabolic Disorders, First Faculty of Medicine Charles University and General University Hospital in Prague Prague Czech Republic
8. Department of Neurology Washington University School of Medicine St Louis MO USA
9. Department of Neurometabolism and Metabolic Disorders University Hospital of Nantes Nantes France
10. Inborn Errors of Metabolism and Child Neurology Unit, Department of Pediatrics, Germans Trias i Pujol Hospital, Badalona and Faculty of Medicine Autonomous University of Barcelona Barcelona Spain
11. Department of Pediatric Neurology Virgen de la Arrixaca Hospital Murcia Spain
12. Metabolic Diseases Unit Miguel Servet University Hospital Zaragoza Spain
13. Dietmar‐Hopp Metabolic Center University Children's Hospital Heidelberg Heidelberg Germany