1. Katharine Dormandy Haemophilia Centre and Thrombosis Unit; Royal Free London NHS Foundation Trust; London UK
2. Department of Haematology; University College London Cancer Institute; London UK
3. Department of Haematology; University of Cambridge; Cambridge Biomedical Campus; Cambridge UK
4. NHS Blood and Transplant; Cambridge Biomedical Campus; Cambridge UK
5. NIHR BioResource; Cambridge University Hospitals; Cambridge Biomedical Campus; Cambridge UK
6. Human Genetics; Wellcome Trust Sanger Institute; Wellcome Trust Genome Campus, Hinxton; Cambridge UK