GLP-1 Agonist Therapy for Advanced Heart Failure with Reduced Ejection Fraction: Design and Rationale for the Functional Impact of GLP-1 for Heart Failure Treatment (FIGHT) Study - Margulies, K B; Anstrom, K J; Hernandez, A F; Redfield, M M; Shah, M R; Braunwald, E; Cappola, T P Heart Failure Clinical Research Network (Circ Heart Fail, 2014)