1. From the Section of Cardiology, Department of Medicine, University of Illinois at Chicago College of Medicine (G.T.K., J.A.H., A.S., S.S.D., E.V.C.); the Department of Medical Surgical Nursing, University of Illinois at Chicago College of Nursing (J.A.F.); and the Department of Preventive Medicine, Northwestern University Feinberg School of Medicine (M.L.D., D.B.G., K.L.), Chicago, IL.