1. Department of Developmental Neurosciences UCL Great Ormond Street Institute of Child Health London UK
2. Department of Neurology Great Ormond Street Hospital London UK
3. Institute of Neurogenomics Helmholtz Zentrum München Munich Germany
4. Institute of Human Genetics Technical University of Munich Munich Germany
5. Enzyme Laboratory Great Ormond Street Hospital for Children London UK
6. Unités des Pathologies Cérébrales Résistantes, Département de Neurochirurgie, Centre Hospitalier Universitaire Montpellier France
7. Department of Neurogenetics, Kolling Institute of Medical Research University of Sydney and Northern Sydney Local Health District Sydney New South Wales Australia
8. Molecular Medicine Laboratory Concord Repatriation General Hospital Concord New South Wales Australia
9. Translational Genomics, Kinghorn Centre for Clinical Genomics Garvan Institute for Medical Research Sydney New South Wales Australia
10. Department of Neurogenetics University of Sydney and Northern Sydney Local Health District Sydney New South Wales Australia
11. Department of Child Neurology Fondazione IRCCS Istituto Neurologico Carlo Besta Milan Italy
12. Department of Neuromuscular Diseases, University College London, Queen Square Institute of Neurology London UK
13. Department of Neurology P. J. Safarik University Kosice Slovak Republic
14. Department of Neurology University Hospital of L. Pasteur Kosice Slovak Republic
15. Department of Neurology Zvolen Hospital Zvolen Slovakia
16. UCL Queen Square Institute of Neurology London UK
17. Department of Neurodegenerative Disease Hertie‐Institute for Clinical Brain Research and Center for Neurology, University of Tübingen Tübingen Germany
18. Department of Radiology Great Ormond Street Hospital for Children London UK
19. Neurology Division, Department of Pediatrics Lady Hardinge Medical College and Associated Kalawati Saran Children's Hospital New Delhi India
20. Department of Human Genetics Radboud University Medical Center Nijmegen The Netherlands
21. Department of Neurology University of Groningen, University Medical Center Groningen Groningen The Netherlands
22. Expertise Center Movement Disorders Groningen University Medical Center Groningen Groningen The Netherlands
23. Department of Genetics University of Groningen, University Medical Center Groningen Groningen The Netherlands
24. Department of Neurology St. George's Hospital London UK
25. Department of Clinical Genetics St. George's Hospital London UK
26. Genomics England London UK
27. Ken and Ruth Davee Department of Neurology Northwestern University Feinberg School of Medicine Chicago IL USA
28. Department of Neurology St. Vincent's Hospital Sydney Australia
29. Department of Neurology and Clinical Neurophysiology Children's Health Ireland at Temple Street Dublin Ireland
30. UCD School of Medicine and Medical Science University College Dublin Dublin Ireland
31. University of Cardiff Cardiff, Wales UK
32. Department of Neurology Ludwig Maximilian University Munich Germany
33. Department of Neurology University Medical Center Göttingen Göttingen Germany
34. Department of Neurology and Epileptology Children's Memorial Health Institute Warsaw Poland
35. Department of Pediatrics and Adolescent Medicine, Division of General Pediatrics Medical University of Graz Graz Austria
36. Department of Neurology Medical University Innsbruck Innsbruck Austria
37. Klinik und Poliklinik für Neurologie Klinikum rechts der Isar, Technische Universität München Munich Germany
38. Department of Neurology Charles University, 1st Faculty of Medicine and General University Hospital in Prague Prague Czech Republic
39. Genetics and Genomic Medicine UCL Great Ormond Street Institute of Child Health London UK
40. Department of Neurology Royal North Shore Hospital, Northern Sydney Local Health District Sydney New South Wales Australia
41. Department of Histopathology Great Ormond Street Hospital for Children London UK
42. Lehrstuhl für Neurogenetik Technische Universität München Munich Germany
43. Munich Cluster for Systems Neurology Munich Germany