1. Department of Neurology, Leiden University Medical Center (LUMC), Leiden, Netherlands
2. Duchenne Center Netherlands
3. C.J. Gorter Center for High Field MRI, Department of Radiology, LUMC, Leiden, Netherlands
4. John Walton Muscular Dystrophy Research Centre, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
5. Department of Rehabilitation, Radboud University Medical Center, Nijmegen, Netherlands