1. From the National Amyloidosis Centre, Division of Medicine, University College London, Royal Free Hospital (J.D.G., M.F.) and Richmond Pharmacology, St. George’s University of London (J.T.) — both in London; New Zealand Clinical Research (E.G.), University of Auckland (E.G.), and the Department of Neurology, Auckland City Hospital (J.K.) — all in Auckland, New Zealand; Intellia Therapeutics, Cambridge, MA (M.L.M., J.S., D.O., K.R.W., K.W., J.P., Y.X., A.A., A.P.B., J.E.C., M.D.M., A.S., J.L., L.S.-L., D...