1. From the Katharine Dormandy Haemophilia and Thrombosis Centre (P.C., M.P., A.R., M.R.P., E.T., A.N.), Health Services Laboratory, Sonic Healthcare (A.R.), and the Department of Hepatology and Liver Transplantation (D.W.P.), Royal Free Hospital, University College London (P.C., M.P., M.Q., A.N.), Guy’s and St. Thomas’ Hospital (G.D.), and Wstats (M.W.), London, Oxford University Hospitals Foundation Trust, Oxford NIHR Biomedical Research Centre, and Oxford University, Oxford (S.S.), the University of...