1. From the Laboratory of Clinical Chemistry and Haematology (C.T., S.d.M., M.W.J.S., A.D.B., M.R., R.F., P.G.d.G., C.M.) and Laboratory of Experimental Cardiology (C.T., G.P.), UMC Utrecht, Utrecht, The Netherlands; and Laboratory for Thrombosis Research, IRF Life Sciences, KU Leuven Kulak, Kortrijk, Belgium (S.F.D.M., K.V.).