Blood. 2021 Sep 9:blood.2021010745. doi: 10.1182/blood.2021010745. Online ahead of print. Blood. 2021. PMID: 34499717 . J Am Acad Dermatol. 2020 Oct 24:S0190-9622(20)32860-7. doi: 10.1016/j.jaad.2020.10.048. Online ahead of print. J Am Acad Dermatol. 2020. PMID: 34526230 No abstract available. .