1. From the Department of Neurology (S.K., J.W.), the Division of General Internal Medicine (C.J.W., S.O., B.V., M.O.), and the Division of Genetic Epidemiology, Department of Medical Genetics, Molecular and Clinical Pharmacology (F.K.), Medical University of Innsbruck, Austria; the Cardiovascular Division (Q.X., M.M.), King’s College London, University of London, UK; and the Department of Medicine (J.L.W., S.T.), University of California San Diego, La Jolla.