letter . 2020 Jan 9;105(10):e507–e511. doi: 10.3324/haematol.2019.229260
Copyright© 2020 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.