1. From the Division of Basic Biomedical Sciences, Sanford School of Medicine of the University of South Dakota, Vermillion, SD (M.J.R., E.J.M.T., J.L., X.W.); and Division of Cardiology, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD (M.J.R., D.A.K.). Dr Li is now at the Vascular Biology Center, Georgia Regents University, Augusta, GA.