1. From the Departments of Cardiothoracic Surgery (M.G., L.N.G.) and Healthcare Policy and Research (A.S.), Weill Cornell Medicine, and the Icahn School of Medicine at Mount Sinai (J.D.P.), New York; Bristol Heart Institute, Bristol (U.B., G.D.A.), Royal Brompton and Harefield Trust, London (N.M.), and the University of Oxford, Oxford (D.P.T.) — all in the United Kingdom; Schulich Heart Centre, Sunnybrook Health Science, University of Toronto, Toronto (S.F.); the Department of Medico-Surgical Sciences and...