1 From the Center for Human Genetic Research (C.D.A.), The J. Philip Kistler Stroke Research Center (C.D.A.), and Hemorrhagic Stroke Research Program (A.C.), Massachusetts General Hospital, Boston; and University College London Institute of Neurology and The National Hospital for Neurology and Neurosurgery (A.C.), London, UK. [email protected].
2 From the Center for Human Genetic Research (C.D.A.), The J. Philip Kistler Stroke Research Center (C.D.A.), and Hemorrhagic Stroke Research Program (A.C.), Massachusetts General Hospital, Boston; and University College London Institute of Neurology and The National Hospital for Neurology and Neurosurgery (A.C.), London, UK.