Investigator-reported ventricular arrhythmias and mortality in heart failure with mildly reduced or preserved ejection fraction. - Curtain JP; Adamson C; Kondo T; Butt JH; Desai AS; Zannad F; Rouleau JL; Rohde LE; Kober L; Anand IS; van Veldhuisen DJ; Zile MR; et al. (European heart journal, 2023)