Risk Related to Pre–Diabetes Mellitus and Diabetes Mellitus in Heart Failure With Reduced Ejection Fraction by Kristensen, S, Preiss, D, Jhund, P, Squire, I, Cardoso, J, Merkely, B, Martinez, F, Starling, R, Desai, A, Lefkowitz, M, Rizkala, A, Rouleau, J, Shi, V, Solomon, S, Swedberg, K, Zile, M, McMurray, J, Packer, M