1. From the Departments of Biochemistry (C.L., M.J.E.K., J.W.M.H.), Molecular Cell Biology and Genetics (J.L.V.B.), and Biophysics (M.A.M.J.V.), CARIM, Maastricht University, The Netherlands; the Laboratory for Thrombosis Research (A.S., K.V., H.D.), KU Leuven, Campus Kortrijk, Belgium; and E348 Institut National de la Santé et de la Recherche Médicale (C.L., M.J.-P.), Faculté Xavier Bichat, Université Paris, France.