1. Department of Anesthesiology and Intensive Care Medicine (E.M.), Medical University of Graz, Austria.
2. Inova Center for Thrombosis Research and Drug Development, Inova Heart and Vascular Institute, Falls Church, VA (U.S.T., P.A.G.).
3. Clinical Institute of Medical and Chemical Laboratory Diagnostics (F.P.), Medical University of Graz, Austria.