Jason H. Mendler, Guido Marcucci, Clara D. Bloomfield. Reply to “Rare coincident NPM1 and RUNX1 mutations in intermediate risk acute myeloid leukemia display similar patterns to single mutated cases”. Haematologica 2014;99(2):e20–21. Haematologica 2014;99(2):e22-e22; https://doi.org/10.3324/haematol.2013.100669.