1. Neurometabolic Diseases Laboratory; Bellvitge Biomedical Research Institute (IDIBELL); L'Hospitalet de Llobregat Barcelona Spain
2. Center for Biomedical Research on Rare Diseases (CIBERER); ISCIII Spain
3. Unit for Neuromuscular and Neurodegenerative Diseases, Laboratory of Molecular Medicine, Bambino Gesù Children's Hospital; IRCCS Rome Italy
4. Department of Child Neurology The Foundation “Carlo Besta” Neurological Institute (IRCCS); Milan Italy
5. Institute of Neuropathology, University of Barcelona, L'Hospitalet de Llobregat; Barcelona Spain
6. Center for Biomedical Research on Neurodegenerative Diseases (CIBERNED); ISCIII Spain
7. Catalan Institution of Research and Advanced Studies (ICREA); Barcelona Spain