1. From Department of Cardiovascular Diseases (K.L.W., S.S.K., B.S.E., N.L.P.), Department of Surgery (T.T., R.C.D.), Department of Health Sciences Research (B.H.S., W.K.K.), Department of Laboratory Medicine and Pathology (M.J.G.), and Department of Molecular Pharmacology and Experimental Therapeutics (N.L.P.), Mayo Clinic, Rochester, MN.