| Affiliation: | 1. Department of Neurology, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal;2. Department of Neurology, Centro Hospitalar de Lisboa Central, Lisboa, Portugal;3. Department of Neurology, Centro Hospitalar Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal;4. Department of Neurology, Centro Hospitalar de S?o Jo?o, Porto, Portugal;5. Faculty of Medicine, Department of Clinical Neuroscience and Mental Health, University of Porto, Porto, Portugal;6. Department of Neurology, Centro Hospitalar de Setúbal, Setúbal, Portugal;7. Department of Neurology, Centro Hospitalar Entre Douro e Vouga, Santa Maria da Feira, Portugal;8. EPIUnit – Epidemiology Research Unit, Institute of Public Health, University of Porto, Porto, Portugal;9. Department of Neuroradiology, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal;10. Department of Neuroradiology, Centro Hospitalar de Lisboa Central, Lisboa, Portugal;11. Department of Imaging Diagnosis, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal;12. Faculty of Medicine, Department of Experimental Biology, Porto University, Porto, Portugal;13. Faculty of Health Sciences, University Fernando Pessoa, Porto, Portugal;14. Faculty of Medicine, University of Coimbra, Coimbra, Portugal |
