1. UCD Centre for Disability Studies University College Dublin Dublin Ireland
2. Department of Neurology Aarhus University Hospital Aarhus Denmark
3. Department of Clinical Epidemiology Aarhus University Hospital Aarhus Denmark
4. National Center for Register‐Based Research Department of Economics and Business Economics, Business, and Social Science Aarhus University Aarhus Denmark
5. Department of Clinical Neuroscience Karolinska Institute Stockholm Sweden
6. Institute of Translational Medicine University of Liverpool Liverpool UK
7. Department of Clinical Science, Neurosciences Umea University Umea Sweden
8. Department of Neurology Christian Doppler Clinic Paracelsus Medical University and Center for Cognitive Neuroscience Salzburg Austria
9. EpiCARE European Reference Network Salzburg Austria
10. Neuroscience Institute Christian Doppler University Hospital Paracelsus Medical University Salzburg Austria
11. Department of Public Health Health Services Research, and Health Technology Assessment University for Health Sciences, Medical Informatics, and Technology Hall in Tirol Austria
12. Clinical Neurosciences Department Carol Davila University of Medicine and Pharmacy Bucharest Romania
13. Pediatric Neurology Department Expertise Center for Rare Diseases in Pediatric Neurology Prof Dr Alexandru Obregia Clinical Hospital Bucharest Romania
14. EpiCARE European Reference Network Bucharest Romania
15. Department of Neurology Chaim Sheba Medical Center Ramat Gan Israel
16. Sacker Faculty of Medicine Tel Aviv University Tel Aviv Israel
17. Beaumont Hospital Dublin Ireland
18. School of Pharmacy and Biomolecular Sciences Royal College of Surgeons in Ireland Ireland
19. FutureNeuro Research Centre for Rare and Chronic Diseases Royal College of Surgeons in Ireland Dublin Ireland
20. Academic Unit of Neurology Trinity College Dublin Dublin Ireland
21. School of Nursing, Psychotherapy, and Community Health Dublin City University Dublin Ireland
22. Temple Street Children's University Hospital Dublin Ireland