Evaluation of the effects of sodium–glucose co‐transporter 2 inhibition with empagliflozin on morbidity and mortality in patients with chronic heart failure and a preserved ejection fraction: rationale for and design of the EMPEROR‐Preserved Trial - Anker, Stefan D.; Butler, Javed; Filippatos, Gerasimos S.; Jamal, Waheed; Salsali, Afshin; Schnee, Janet; Kimura, Karen; Zeller, Cordula; George, Jyothis; Brueckmann, Martina; Zannad, Faiez; Packer, Milton; et al. (European Journal of Heart Failure, 2019)