Affiliation: | 1. MRC Centre for Neuromuscular Diseases, University College London, London WC1N 3BG, UK;2. Universidad Europea de Madrid, 28670 Madrid, Spain;3. Department of Sport Health and Exercise Sciences, Brunel University, Uxbridge UB8 3PH, UK;4. Vall D''Hebron Research Institute and Centre for Biomedical Network Research on Rare Diseases (CIBERER), Barcelona, Catalonia, Spain |