| Affiliation: | 1. Neurology Department, Hospital Santo Antonio, Centro Hospitalar Porto, Porto, Portugal;2. Unit for Multidisciplinary Research in Biomedicine, Instituto de Ciencias Biomedicas de Abel Salazar, Universidade do Porto, Porto, Portugal;3. Nuffield Department of Clinical Neurosciences, Oxford University Hospitals, University of Oxford, UK;4. Centro Hospitalar do Porto, Porto, Portugal;5. Neurology Department, Hospital Sao Joao, Porto, Portugal;6. Neurology Department, Centro Hospitalar de Vila Nova de Gaia e Espinho, Gaia, Portugal;7. Neurology Department, Hospital Pedro Hispano, Matosinhos, Portugal;8. Neurology Department, Hospital de Sao Pedro, Centro Hospitalar do Trás‐os‐Montes e Alto Douro, Vila Real, Portugal;9. Neurology Department, Centro Hospitalar do Alto Minho, Viana do Castelo, Portugal;10. Neurology Department, Centro Hospitalar Entre Douro e Vouga, Feira, Portugal;11. Neurology Department, Hospital de Braga, Braga, Portugal;12. Neurology Department, Centro Hospitalar do Nordeste, Mirandela, Portugal;13. Neurology Department, Hospital de S?o Teotonio, Viseu, Portugal;14. Neurology Department, Centro Hospitalar Universitario de Coimbra, Coimbra, Portugal;15. Neurology Department, Centro Hospitalar do Vale do Sousa, Penafiel, Portugal;16. Neuropediatrics Department, Centro Materno Infantil Norte, Centro Hospitalar Porto, Porto, Portugal;17. Neuropediatrics Department, Hospital de Sao Joao, Porto, Portugal;18. Instituto de Ciencias Biomedicas Abel Salazar, Universidade do Porto, Porto, Portugal |
