1. From the Department of Cardiology, Brigham and Women’s Hospital, Boston, MA (P.C., M.T., M.B., A.S., M.A.P., S.D.S.); Department of Cardiology, University of California at San Francisco, CA (E.F.); and Department of Cardiology, University of Rochester Medical Center, Rochester, NY (M.W.B., I.G., D.T.H., S.M., W.J.H., A.M.).