1. Neurology Department, Neuromuscular Disorders Unit University Hospital Madrid Spain
2. Department of Internal Medicine University Hospital Madrid Spain
3. National Reference Center for Congenital Errors of Metabolism (CSUR) and European Reference Center for Inherited Metabolic Disease (MetabERN) University Hospital Madrid Spain
4. Spanish Network for Biomedical Research in Rare Diseases (CIBERER) Madrid Spain
5. Mitochondrial and Neuromuscular Diseases Laboratory Instituto de Investigación Sanitaria Hospital ‘12 de Octubre’ (‘imas12’) Madrid Spain
6. Research Institute (‘imas12’) University Hospital Madrid Spain
7. Department of Neuroradiology University Hospital Madrid Spain
8. Neurology Department, Epilepsy Unit University Hospital Madrid Spain