1. Division of Child Neurology and Metabolic Medicine Center for Child and Adolescent Medicine and Dietmar Hopp Metabolic Center, University Hospital Heidelberg Heidelberg Germany
2. Division of Pediatric Neurology University Children's Hospital Frankfurt Frankfurt Germany
3. Department of General Pediatrics, Adolescent Medicine and Neonatology Medical Center – University of Freiburg, Faculty of Medicine Freiburg Germany
4. Department of Pediatrics University Medical Centre Eppendorf Hamburg Germany
5. Kinder‐ und Jugendklinik, Universitätsklinikum Erlangen Erlangen Germany
6. Department of General Pediatrics, Neonatology, and Pediatric Cardiology University Children's Hospital, Heinrich Heine University Düsseldorf Düsseldorf Germany
7. Institute of Child Nutrition, Max‐Rubner‐Institut Karlsruhe Germany
8. Praxis für Kinder‐ und Jugendmedizin, Endokrinologie und Stoffwechsel Augsburg Germany
9. Department of Women and Child Health, Hospital for Children and Adolescents Center for Pediatric Research Leipzig (CPL), University Hospitals, University of Leipzig Leipzig Germany
10. Villa Metabolica, Department for Pediatric and Adolescent Medicine Mainz University Medical Center Mainz Germany
11. Department of General Pediatrics, Metabolic Diseases University Children's Hospital Muenster Muenster Germany
12. Department of Child Neurology Children's Hospital Oldenburg Oldenburg Germany
13. Children's Hospital Reutlingen Klinikum am Steinenberg Reutlingen Germany
14. University of Ulm Department of Pediatric and Adolescent Medicine Ulm Germany
15. Center for Inborn Metabolic Disorders, Department of Neuropediatrics Jena University Hospital Jena Germany
16. 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
17. Dr. von Hauner Children's Hospital, Ludwig‐Maximilians‐University Munich Germany