1 Stroke Unit, Internal Medicine Department, Hospital do Litoral Alentejano, Santiago do Cacém.
2 Neurology Department, Centro Hospitalar Universitário de São João, E.P.E; Department of Clinical Neurosciences and Mental Health, Faculty of Medicine, Porto University (FMUP).
3 Ophthalmology Department, Centro Hospitalar Universitário de São João, E.P.E.
4 Neuroradiology Department, Centro Hospitalar Universitário de São João, E.P.E., Porto, Portugal.