1. Neurology Department; Multiple Sclerosis Center; IdiSSC; Hospital Clinico San Carlos; Madrid Spain
2. Neurology Department; Hospital Universitario de Fuenlabrada; Madrid Spain
3. Demyelinating Disease Unit; Neurology Department; Hospital Universitario 12 de Octubre; Madrid Spain
4. Radiology Department; IdiSSC; Hospital Clinico San Carlos; Madrid Spain