1 Department of Neurosciences and Mental Health, Serviço de Neurologia, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte, Lisboa, Portugal. sara.b.parreira@gmail.com.
2 Department of Neurosciences and Mental Health, Serviço de Neurologia, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte, Lisboa, Portugal.
3 Department of Critical Care Medicine, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte, Lisboa, Portugal.