1. From the Department of Neurology, Stroke Center, University Hospital Essen, Essen, Germany (H.-C.D.); Hemorrhagic Stroke Research Unit, Massachusetts General Hospital, Harvard Medical School, Boston (S.M.G.); Stroke Division, Beth Israel Deaconess Medical Center, Boston, MA (M.H.S.); and Stroke Unit, Department of Neurology, Hospital Vall d’Hebron-Barcelona, Barcelona, Spain (C.A.M.).