1. Child Neurology Unit COALA (Center for Diagnosis and Treatment of Leukodystrophies), V. Buzzi Children's Hospital Milan Italy
2. Division of Metabolism, Bambino Gesù Children's Hospital IRCCS Rome Italy
3. Paediatric Neurology Research Group Valld'Hebron Research Institute, Universitat Autònoma de Barcelona Barcelona Spain
4. Laboratory of Medical Genetics, Bambino Gesù Children's Hospital IRCCS Rome Italy
5. Paediatric Radiology and Neuroradiology Department COALA (Center for Diagnosis and Treatment of Leukodystrophies)—V. Buzzi Children's Hospital Milan Italy
6. Department of Biomedical and Clinical Sciences, L. Sacco University of Milan Milan Italy
7. Department of Child Neurology Hospital Valld'Hebron—Institut de Recerca (VHIR) Barcelona Spain
8. CIBERER, Centro de Investigaciones Biomédicas en Red de Enfermedades Raras Madrid Spain
9. Faculty of Medicine Universitat Autònoma de Barcelona, UnitatDocentValld'Hebrón Barcelona Spain