title: Letter by Brown and Ezekowitz Regarding Article, "Development and Evolution of a Hierarchical Clinical Composite End Point for the Evaluation of Drugs and Devices for Acute and Chronic Heart Failure: A 20-Year Perspective".
authors.affiliation: From Canadian VIGOUR Centre (P.M.B.), Department of Medicine, Division of Cardiology (J.A.E.), University of Alberta, Edmonton, Canada.
authors.forename: Paul M
authors.initials: PM
authors.lastname: Brown
authors.affiliation: From Canadian VIGOUR Centre (P.M.B.), Department of Medicine, Division of Cardiology (J.A.E.), University of Alberta, Edmonton, Canada.
authors.forename: Justin A
authors.initials: JA
authors.lastname: Ezekowitz
mesh_terms: D002908:Chronic Disease; D006333:Heart Failure; D006801:Humans