1. From the Experimental Cardiology Laboratory (W.P., W.E.H., D.P.V.d.K., G.P.), the Department of Vascular Surgery (W.E.H., F.L.M.), and the Department of Pathology (A.V.), University Medical Centre Utrecht; Interuniversity Cardiology Institute of the Netherlands (W.P., D.P.V.d.K.); and the Department of Vascular Surgery (J.P.P.M.d.V.), St. Antonius Hospital, Nieuwegein, The Netherlands.