Deeren, D. (2020) “Do high-volume centers really save more lives? A call for scientific rigor and transparency. Comment on: Does size matter? Center-specific characteristics and survival after allogeneic hematopoietic cell transplantation for acute myeloid leukemia: an analysis of the German Registry for Stem Cell Transplantation and Cell Therapy”, Haematologica. Pavia, Italy. doi: 10.3324/haematol.2025.288731.