1. Enzyme Laboratory, Department of Chemical Pathology, Cameilia Botnar LaboratoriesGreat Ormond Street Hospital for Sick Children London UK
2. MRC Centre for Neuromuscular Diseases and Department of Molecular NeuroscienceUniversity College London Institute of Neurology and National Hospital for Neurology and Neurosurgery London UK
3. CAPES FoundationMinistry of Education Brazil
4. Centre for Human Performance, Exercise and RehabilitationBrunel University London Uxbridge UK
5. Sheffield Diagnostic Genetic ServiceSheffield Children's NHS Foundation Trust Sheffield UK
6. Department of Clinical NeurologyWest Wing, John Radcliffe Hospital Oxford UK
7. Dubowitz Neuromuscular CentreGreat Ormond Street Hospital for Children, NHS Foundation Trust London UK