Naiara Santana-Codina, Sebastian Gableske, Mark D. Fleming, J. Wade Harper, Alec C. Kimmelman, Joseph D. Mancias. The role of nuclear receptor co-activator 4 in erythropoiesis (Reply to Nai et al.). Haematologica 2019;104(12):e585-e586; https://doi.org/10.3324/haematol.2019.235226.