1. From INSERM U388, Toulouse, France (P.B., O.K., C.C., M.-H.S., A.P.); Department of Preclinical and Clinical Pharmacology, Department of Anatomy, Histology and Forensic Medicine, University of Florence, Florence, Italy (L.M., D.B., L.R., S.N.); Boston University Medical Center, Boston, Mass (W.C.); and Cardiovascular-Thrombosis Research Department, Sanofi-Synthélabo Research, Toulouse, France (N.L.).