1. From Duke University School of Medicine, Durham, NC (J.G.R., C.A.M.); University of Michigan, Ann Arbor (F.D.P., K.D.A.); Advocate Christ Medical Center, Oak Lawn (A.J.T., G.B.), and University of Chicago Medicine (V.J.) and Northwestern Memorial Hospital (A.S.A.), Chicago — all in Illinois; University of Louisville, Louisville, KY (M.S.S., E.J.B.); MedStar Heart Institute, Washington, DC (S.W.B., S.S.N.); University of Texas Health Science Center (I.D.G.) and Texas Heart Institute (H.M., O.H.F.),...