1. From the Vascular Biology and Hypertension Program, Division of Cardiovascular Disease (F.G.H., S.O., D.X., F.H., Y.-F.C.) and the Division of Clinical Immunology and Rheumatology (M.A.M., A.J.S.), Department of Medicine, The University of Alabama at Birmingham, and Section of Cardiology (F.G.H.), Birmingham Veteran’s Administration Medical Center, Birmingham, Ala.