1. From the Cardiovascular Division, Brigham and Women’s Hospital, Boston, Mass (S.H.S., C.L.H., A.H.H., A.V., M.B., M.A.F., S.D.S.); Harvard School of Public Health and Dana Farber Cancer Institute, Boston, Mass (H.U.); University of Copenhagen, Copenhagen, Denmark (L.K.); Wayne State Medical Center, Detroit, Mich (J.K.G.); and Duke University Medical Center, Durham, NC (E.J.V., R.M.C.).