1 Functional Unit of Cerebrovascular Diseases, Hospital Clínic, Barcelona, Spain.
2 Functional Unit of Cerebrovascular Diseases, Hospital Clínic, Barcelona, Spain2Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain.
3 Functional Unit of Cerebrovascular Diseases, Hospital Clínic, Barcelona, Spain2Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain3Department of Medicine, School of Medicine, University of Barcelona, Barcelona, Spain.