1. Division of Cardiology, Department of Medicine, Medical University of South Carolina, Charleston (M.C.V., E.L.B., N.D.G., J.A., N.S.A., V.L.C.F., A.M., C.D.N., E.R.P., D.H.S., T.M.T., T.G.D.S., G.R.J., B.A.H., R.J.T.).
2. Division of Cardiovascular Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA (B.A.M.).