1. Department of Neurology Medical University of Vienna Vienna Austria
2. Institute of Human Genetics Technical University Munich Munich Germany
3. Institute for Neurogenomics Helmholtz Center Munich Neuherberg Germany
4. LMU University Hospital Department of Pediatrics Dr. von Hauner Children’s Hospital Division of Pediatric Neurology LMU Center for Development and Children with Medical Complexity Ludwig‐Maximilians‐University Munich Germany
5. Division of Neuropathology and Neurochemistry Department of Neurology Medical University of Vienna Vienna Austria
6. Department of Neurology Medical University of Graz Graz Austria
7. Department of Neurology Klinik Favoriten Vienna Austria
8. Department of Neurology KH der Barmherzigen Brüder Linz Austria
9. Department of Neurology Paracelsus Medical University of Salzburg Salzburg Austria
10. Department of Neurology Klinikum Klagenfurt am Wörthersee Klagenfurt Austria
11. Department of Neurorehabilitation Gailtal‐Klinik Hermagor Austria
12. Department of Neurology University Hospital St. Pölten St. Pölten Austria
13. Department of Neurology Medical University of Innsbruck Innsbruck Austria
14. Department of Neurology Klinikum Wels‐Grieskirchen Wels Austria
15. John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute Newcastle University and Newcastle Hospitals NHS Foundation Trust Newcastle upon Tyne UK