Affiliations

• ¹ Centre for Medical Education, Queen's University, Belfast, UK.
• ² Guy's and St Thomas' NHS Foundation Trust, London, UK.
• ³ Castle Hill Hospital, Hull and East Yorkshire Hospitals NHS Trust, Hull, UK.
• ⁴ Leeds Teaching Hospitals NHS Trust, Leeds, UK.
• ⁵ The Royal London Hospital, Bart's Health NHS Trust, London, UK.
• ⁶ Birmingham Heart of England NHS Foundation Trust, Birmingham, UK.
• ⁷ University Hospital of Leicester NHS Trust, Leicester (BSH representative), UK.
• ⁸ Department of Haematology and Haematopathology and Oncology Diagnostic Service, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
• ⁹ Cardiff University School of Medicine, Cardiff, UK.
• ¹⁰ Wellcome Trust Sanger Institute, Cambridge, UK.
• ¹¹ Royal Free London NHS Foundation Trust, London, UK.
• ¹² Nottingham University Hospital, Nottingham, UK.
• ¹³ MRC Weatherall, Institute of Molecular Medicine, University of Oxford, Oxford, UK.