1. From Yale University (E.C.L.-L., S.V.K., H.L., J.H.L.), New Haven, Conn; Saint Luke’s Mid America Heart Institute (K.J.R., P.G.J., D.M.B., J.A.S.), Kansas City, Mo; Emory University (S.P.), Atlanta, Ga; University of Colorado-Denver (P.N.P.), Aurora, Colo; Denver Health Medical Center (P.N.P.), Denver, Colo; and University of Missouri–Kansas City (J.A.S.), Kansas City, Mo.