1. Division of Child Neurology and Metabolic Medicine, Centre for Child and Adolescent Medicine University Hospital Heidelberg Germany
2. Dr. von Hauner Children's Hospital Ludwig‐Maximilians‐University Munich Germany
3. Division of Experimental Paediatrics and Metabolism, Department of General Paediatrics, Neonatology and Paediatric Cardiology University Children's Hospital, Heinrich Heine University Düsseldorf Düsseldorf Germany
4. Department of General Paediatrics, Metabolic Diseases University Children's Hospital Muenster Muenster Germany
5. University Children's Hospital, University Medical Centre Hamburg‐Eppendorf Hamburg Germany
6. Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt‐Universität zu Berlin, and Berlin Institute of Health Center for Chronically Sick Children Berlin Germany
7. Department of Child Neurology Children's Hospital Oldenburg Oldenburg Germany
8. Department of Paediatrics Paediatric Metabolic Medicine, Hannover Medical School Hannover Germany
9. Children's Hospital Reutlingen Reutlingen Germany
10. Department of General Paediatrics, Adolescent Medicine and Neonatology, Medical Center University of Freiburg, Faculty of Medicine Freiburg Germany
11. Department of Paediatric and Adolescent Medicine Ulm University Medical School Ulm Germany
12. Division of Paediatric Neurology University Children's Hospital Zurich Zurich Switzerland
13. Division of Metabolism and Children's Research Centre University Children's Hospital Zurich Zurich Switzerland
14. Department of Women and Child Health, Hospital for Children and Adolescents, Centre for Paediatric Research Leipzig (CPL) University Hospitals, University of Leipzig Leipzig Germany
15. Centre for Inborn Metabolic Disorders, Department of Neuropaediatrics Jena University Hospital Jena Germany
16. Children's Hospital Carl Gustav Carus Technical University Dresden Germany
17. Division of Paediatric Neurology University Children's Hospital Frankfurt Frankfurt Germany
18. Department of Paediatrics and Adolescent Medicine University Medical Centre Göttingen Germany