1 Department of Neurosciences and Mental Health (BM), Santa Maria Hospital, Lisbon, Portugal; Faculty of Medicine (BM), University of Lisbon, Lisbon, Portugal; Neurology Department (AIM, AFJ, LS, JL), Coimbra University Hospital Centre, Coimbra, Portugal; Neuroradiology Department (CN), Coimbra University Hospital Centre, Coimbra, Portugal; and Faculty of Medicine (LS, JL), University of Coimbra, Coimbra, Portugal.