1. From the Interdepartmental Program in Vascular Biology and Therapeutics and the Departments of Surgery (R.E.E., J.Z., S.-f.L.L., H.R., A.G., G.T.), Immunobiology (D.A.R., J.S.P.), and Internal Medicine (S.I.S., S.P.), Yale University School of Medicine, New Haven, Conn. Dr Sokol is currently at the Department of Medicine, Albert Einstein College of Medicine, Bronx, NY.