1. From the Department of Cardiology, Veterans Affairs Boston Healthcare System, Parkway, Boston, MA (B.A.M., U.A.K., H.M., S.J.F., D.L.B., T.P.R., J.R.A.); Department of Internal Medicine, Division of Cardiovascular Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA (B.A.M., D.L.B., T.P.R., J.R.A.); Boston Adult Congenital Heart Program, Department of Cardiology, Children’s Hospital Boston, MA (A.R.O.); and Department of Medicine, Providence Veterans Affairs Medical Center,...