1. From the Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Conn (G.L.S., J.M.F., S.S.R., H.M.K.); General Internal Medicine Section, Medical Service, San Francisco Veterans Affairs Medical Center, San Francisco, Calif (M.G.S.); Department of Medicine, University of California, San Francisco, Calif (M.G.S.); Division of Cardiology, Denver Health Medical Center, Denver, Colo (E.P.H., F.A.M.); Division of Cardiology, University of...