. 2020 Jan 31;189(4):731–744. doi: 10.1111/bjh.16435
© 2020 The Authors. British Journal of Haematology published by British Society for Haematology and John Wiley & Sons Ltd
This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/3.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.