From the Doris and Stanley Tananbaum Stroke Center (A.H., H.M., A.K., C.S., J.P.M.), Neurological Institute, Columbia University College of Physicians and Surgeons, New York, NY; the Stroke Unit, Department of Neurology (A.H.), Charité-Campus Benjamin Franklin, Berlin, Germany; Schlaganfallzentrum Halle (H.M.), Berufsgenossenschaftliche Kliniken, Bergmannstrost, Halle, Germany; the Departments of Interventional Neuroradiology (J.P.-S.), Neurological Surgery (E.S.C.), and Medicine (R.R.S.), Columbia... (At 2005-11)