Heart failure with preserved ejection fraction, red cell distribution width, and sacubitril/valsartan. - Butt JH; McDowell K; Kondo T; Desai AS; Lefkowitz MP; Packer M; Petrie MC; Pfeffer MA; Rouleau JL; Vaduganathan M; Zile MR; Jhund PS; et al. (ESC heart failure, 2024)