1. From the Institute for Stroke and Dementia Research (ISD) (M.K.G.), University Hospital, Ludwig-Maximilians-University LMU, Munich; Munich Cluster for Systems Neurology (SyNergy) (M.K.G.), Germany; Program in Medical and Population Genetics (M.K.G., C.D.A.), Broad Institute of MIT and Harvard, Cambridge; and Department of Neurology (C.D.A.), Brigham and Women's Hospital, Boston, MA.