From National Amyloidosis Centre, Division of Medicine (J.D.G., A.D.W., C.C.Q., H.J.L.,
T.R., M.F., K.F., T.L., F.W.V., C.J.W., D.F.H., P.N.H.) and Barts Heart Centre, Institute
of Cardiovascular Science (J.C.M.), University College London, UK; Clinical Cardiovascular
Research Laboratory for the Elderly, Columbia University Medical Center, New York
(M.S.M., S.B., A.C.); Department of Cardiology and Department of Radiology, Brigham
and Women’s Hospital and Harvard Medical School, Boston, MA (R.H.F.,...