1. From the Departments of Internal Medicine (J.G.T., D.H.D, J.L.C.V., J.R.C.), Division of Vascular Ultrasound Research (R.T., M.F.M.), and Public Health Sciences (M.A.E., J.R.C.), Wake Forest University School of Medicine, Winston-Salem, NC. Dr Mercuri is currently employed by Merck & Co Inc, Rahway, NJ.