[1] Univ Basel Hosp, Dept Neurol, CH-4031 Basel, Switzerland
[2] Univ Basel Hosp, Stroke Ctr, CH-4031 Basel, Switzerland
[3] Univ Ctr Med Aging & Rehabil, Felix Platter Hosp, Neurorehabil Unit, CH-4012 Basel, Switzerland
[4] Univ Basel Hosp, Dept Radiol, Neuroradiol & Stroke Ctr, CH-4031 Basel, Switzerland