1. From Veterans Affairs Boston Healthcare System, MA (B.A.M., R.H.G.); Brigham and Women’s Hospital and Harvard Medical School, Boston, MA (B.A.M., A.R.O., T.S., J.A.L.); Veterans Affairs Eastern Colorado Health Care System, Denver (E.H., T.M.M., M.A.S., M.E.P., G.K.G., A.E.B., J.R.); University of Colorado School of Medicine (T.M.M.); Boston Children’s Hospital, MA (A.R.O.); Department of Medicine, Division of Cardiology, Johns Hopkins School of Medicine, Baltimore, MD (R.J.T.); Indiana University...