1. From the Departments of Clinical Pharmacology (G.G., M.W.), Emergency Medicine (J.A.), Neurology (A.P.-K.), and Cardiology (J.M.S.-M.), Medical University Vienna, Austria; 3rd Medical Department of Cardiology and Emergency Medicine, Wilhelminen Hospital, Vienna, Austria (K.H.); Department of Cardiology, University Hospital Nijmegen, Amsterdam, the Netherlands (F.W.A.V.); and Sinai Center for Thrombosis Research, Baltimore, MD (P.A.G.).