1. Neurocognition Unit, Department of Neurology, Hospital de Braga, Braga, Portugal;
2. Department of Neurology, RWTH Aachen University, Aachen, Germany;
3. JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH and RWTH Aachen University, Aachen, Germany