1. Paediatric Neurology and Neurophysiology Unit, Department of Women’s and Children’s Health, University Hospital of Padova, Padova, Italy
2. Neuroimmunology Group, Paediatric Research Institute “Città della Speranza,” Padova, Italy
3. School of Biomedical Engineering and Imaging Sciences, King’s College London, London, United Kingdom
4. Children’s Neurosciences, Evelina London Children’s Hospital at Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
5. Centre for Medical Engineering, King’s College London, London, United Kingdom
6. Department of Paediatrics, Neurology Service, KK Women’s and Children’s Hospital, Singapore
7. Oxford Autoimmune Neurology Group, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom
8. Department of Neurology, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
9. Neuroimmunology Program, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clínic, University of Barcelona, Barcelona, Spain
10. Department of Neurology, University of Pennsylvania, Philadelphia
11. Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
12. Kids Neuroscience Centre, The Children’s Hospital at Westmead, Faculty of Medicine and Health, University of Sydney, Westmead, Australia
13. Department of Women and Children’s Health, School of Life Course Sciences (SoLCS), King’s College London, London, United Kingdom
14. Hacettepe University, Ankara, Turkey
15. Sant Joan de Déu (SJD) Children’s Hospital, University of Barcelona, Barcelona, Spain
16. Alberta Children’s Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
17. McMaster University, Hamilton, Ontario, Canada
18. Assistance Publique-Hôpitaux de Paris, University Hospitals Paris Saclay, Bicêtre Hospital, Paris, France
19. French Reference Network of Rare Inflammatory Brain and Spinal Diseases, Paris, France
20. European Reference Network-RITA, Paris, France
21. Stanford University and Lucile Packard Children’s Hospital, Palo Alto, California
22. Emory University School of Medicine and Children’s Healthcare of Atlanta, Atlanta, Georgia
23. Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts
24. Queen Square MS Centre, UCL Institute of Neurology, University College London, London, United Kingdom
25. Department of Paediatric Neurology, Great Ormond Street Hospital for Children, London, United Kingdom
26. Peking University First Hospital, Beijing, China
27. Pediatric Clinical Neuroscience Center, Seoul National University Children’s Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
28. Section Rheumatology, Texas Children’s Hospital, Baylor College of Medicine, Houston
29. Child Health, Red Cross War Memorial Children’s Hospital, University of Cape Town, Cape Town, South Africa
30. Faculty of Health Sciences, University of Cape Town Neuroscience Institute, Cape Town, South Africa
31. Erasmus Medical Center, Rotterdam, the Netherlands
32. Children’s Hospital Datteln, University Witten/Herdecke, Witten, Germany
33. Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
34. University Hospital of Padova, Padova, Italy
35. Lady Hardinge Medical College and Associated Kalawati Saran Children’s Hospital, New Delhi, India
36. National Pediatric Hospital Dr J. Garrahan, Buenos Aires, Argentina
37. Duke University, Durham, North Carolina
38. Children’s National Medical Center, Washington, DC
39. Karolinska University Hospital, Stockholm, Sweden
40. Icahn School of Medicine at Mount Sinai, New York, New York