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DN: Conference fees: bioM\u00e9rieux, Abbott Diagnostics. HS: Received personal fees from Incyte, Novartis, MAAT Pharma, Mallinckrodt Pharmaceuticals, Sanofi, BeiGene and the Belgian Haematological Society (BHS), as well as research funding from Sanofi, all paid to her institution and not directly related to this work. She has also received non-financial support from Pfizer, Sanofi, AbbVie, the EBMT, the IACH (International Academy for Clinical Haematology) and the CIBMTR (Center for International Bone Marrow Transplantation Research). JS: Participated in advisory boards for AstraZeneca, Moderna, MSD; and has been a speaker for Gilead, MSD, Roche and AstraZeneca. The other authors declare no competing financial interests related to this work.","order":1,"name":"Ethics","label":"Competing interests","group":{"name":"EthicsHeading","label":"Ethics"}}]}}