1. Division of Child Neurology and Metabolic Medicine University Children's Hospital Heidelberg Heidelberg Germany
2. Department of Human Neuroscience Unit of Child Neurology and Psychiatry, Università degli Studi di Roma La Sapienza Rome Italy
3. Inborn errors of metabolism Unit, Department of Neurology Institut de Recerca Sant Joan de Déu and CIBERER‐ISCIII Barcelona Spain
4. UCSD Departments of Neuroscience and Pediatrics; Rady Children's Hospital Division of Neurology, Rady Children's Institute for Genomic Medicine San Diego California USA
5. Hacettepe University, Faculty of Medicine, Department of Pediatrics Section of Pediatric Metabolism Ankara Turkey
6. Department of Neurology Oslo University Hospital Oslo Norway
7. Department of Pediatrics and Adolescent Medicine The Hong Kong Children's Hospital Hong Kong Hong Kong
8. First Department of Pediatrics Aristotle University of Thessaloniki Thessaloniki Greece
9. Pediatric Neurology Unit, Department of Pediatrics University Hospital Reina Sofía, IMIBIC and CIBERER Córdoba Spain
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. Women and Children's Health Research Institute University of Alberta Edmonton Alberta Canada
13. Dietmar‐Hopp Metabolic Center University Children's Hospital Heidelberg Heidelberg Germany
14. Department of Pediatrics University of Alberta, Glenrose Rehabilitation Hospital Edmonton Alberta Canada
15. U.O.C. Malattie Metaboliche Ereditarie, Dipartimento della Salute della Donna e del Bambino, Azienda Ospedaliera Universitaria di Padova – Campus Biomedico Pietro d'Abano Padova Italy
16. Inborn Errors of Metabolism and Child Neurology Unit, Department of Pediatrics, Hospital Germans Trias i Pujol, Badalona and Faculty of Medicine Universitat Autònoma de Barcelona Barcelona Spain
17. KTP‐National University Children's Medical Institute, National University Health System Singapore Singapore
18. Faculty of Medicine University of Novi Sad, Institute for Children and Youth Health Care of Vojvodina Novi Sad Serbia
19. Developmental Neurosciences, UCL Great Ormond Street‐Institute of Child Health and Department of Neurology Great Ormond Street Hospital London UK
20. University Children's Hospital, St. Josef‐Hospital, Ruhr‐University Bochum Bochum Germany
21. Division of Clinical and Metabolic Genetics, Department of Pediatrics University of Toronto, The Hospital for Sick Children Toronto Ontario Canada
22. Department of Medical Genetics University of Alberta, Women and Children's Health Research Institute, Stollery Children's Hospital Edmonton Alberta Canada
23. Unidad de Trastornos del Movimiento Servicio de Neurología y Neurofisiología Clínica Unidad de Gestión Clínica de Neurociencias Instituto de Biomedicina de Sevilla (IBiS) Hospital Universitario Virgen del Rocío Sevilla Spain
24. Children's Department Division of Child Neurology Oslo University Hospital Rikshospitalet Oslo Norway
25. Department of Neurology Washington University School of Medicine St. Louis Missouri USA
26. Clinic of Neurology and Psychiatry for Children and Youth, School of Medicine University of Belgrade Belgrade Serbia