1. From the Medizinische Klinik und Poliklink, Universitatskliniken des Saarlandes, Homburg, Germany (U.L, F.C., G.N., M.B.); the Neurologische Klinik der Charite, Humboldt-Universität zu Berlin, Berlin, Germany (M.E., K.G.); and the Cardiovascular Division, Brigham and Women’s Hospital and Harvard Medical School, Boston, Mass (J.K.L.).