1. Language Research Laboratory, Department of Clinical Neurosciences, Institute of Molecular Medicine, Faculty of Medicine, University of Lisbon, Portugal;
2. Department of Neurology, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal;
3. Department of Neurology, Centro Hospitalar Lisboa Central, Lisboa, Portugal;
4. Department of Neuro-Imaging, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Lisbon, Portugal;
5. Faculty of Medicine, University of Oporto, Porto, Portugal;
6. Instituto de Ciências da Saúde, University of Minho, Braga, Portugal