1. From the Cardiovascular and Pulmonary Branch, National Heart, Lung, and Blood Institute (H.B.N., B.N., E.S., H.T., T.S., Q.N., A.A.J., J.D., S.M.R., J.D., M.P.P., N.N.M.), Dermatology Branch, Center for Cancer Research, National Cancer Institute (H.B.N.), Molecular Biomedical Imaging Laboratory (M.A.A.), and Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (M.J.K.), National Institutes of Health, Bethesda, MD; Englewood Hospital, NJ (P.K.); The...