1 Division of Haematology and Immunology, Leeds Institute of Medical Research at St James's, University of Leeds, Leeds, LS9 7TF, UK; Department of Haematology, Leeds Teaching Hospitals NHS Trust, Leeds, UK.
2 Division of Haematology and Immunology, Leeds Institute of Medical Research at St James's, University of Leeds, Leeds, LS9 7TF, UK.
3 Department of Haematology, Leeds Teaching Hospitals NHS Trust, Leeds, UK.
4 Leeds Institute of Data Analytics, University of Leeds, Leeds, LS9 7TF, UK.
5 Division of Haematology and Immunology, Leeds Institute of Medical Research at St James's, University of Leeds, Leeds, LS9 7TF, UK. Electronic address: d.j.newton@leeds.ac.uk.