Acquired thrombotic thrombocytopenic purpura: A rare disease associated with BNT162b2 vaccine: Comment from Doyle et al. (26th February 2022) - Doyle, Andrew J.; Springell, Deborah; Dutt, Tina; Kenworthy, Jessica; Ling, Gavin; Desborough, Michael; Thomas, William; Hermans, Joannes; Vanveen, Joost; Cranfield, Tanya; Belsham, Edward; Hill, Quentin A.; et al.