1. From the Departments of Cardiology, Thoraxcenter (C.C., D.T., A.v.d.B., R.K.), and of Cell Biology and Genetics (R.v.H., F.G., R.d.C.), Erasmus MC, University Medical Center, Rotterdam; the Department of Pathology (M.J.A.P.D.), Cardiovascular Research Institute Maastricht, University of Maastricht, Maastricht; and the Department of Vascular Surgery (R.d.C.), Erasmus MC, University Medical Center, Rotterdam, The Netherlands.