1. From the Departments of Cardiology and Pneumology (R.S., M.W.-K., J.S., F.E., R.L., B.H., D.V., G.H., R.W.) and Neurology (J.W., P.K., K.G.), University of Göttingen, Göttingen, Germany; and the Coordination Center for Clinical Trials (M.M.), University of Leipzig, Leipzig, Germany.