1. Department of Neurology, Complejo Hospitalario Universitario de Santiago de Compostela, Santiago de Compostela, Spain
2. Department of Neurology, Hospital POVISA, Vigo, Spain
3. Department of Neurology, Complejo Hospitalario de Pontevedra, Pontevedra, Spain
4. Department of Neurology, Complejo Hospitalario Universitario de Vigo, Vigo, Spain
5. Department of Neurology, Complejo Hospitalario Universitario de Ourense, Ourense, Spain