1. From the Department of Neurosurgery (T.G., C.M., E.E.), Caen University Hospital, Caen, France; INSERM U919 (T.G., D.V., E.E.), Sérine Protease and Pathophysiology of the Neurovascular Unit, Centre d'Imagerie et de Neurosciences Appliquées aux Pathologies, University Caen Lower Normandy, Caen, France; Unité de Recherche Clinique (J.-J.P.), Caen University Hospital, Caen, France; and the Department of Neurology (H.B.H.), University of Erlangen-Nuremberg, Erlangen, Germany.