letter . 2021 May 27;106(10):2740–2745. doi: 10.3324/haematol.2020.276634
Copyright© 2021 Ferrata Storti Foundation
This article is distributed under the terms of the Creative Commons Attribution Noncommercial License (by-nc 4.0) which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.