1. Department of Haematology; Haemostasis Research Unit; University College London; London UK
2. Thrombosis and Haemophilia; Guy's and St Thomas’ NHS Foundation Trust; London UK
3. Department of Haematology; Kings College London; London UK
4. Centre for Rheumatology, Division of Medicine; University College London; London UK
5. Lupus Research Unit; Guy's and St Thomas’ NHS Foundation Trust; London UK
6. Department of Rheumatology; Kings College London; London UK
7. Department of Haematology; University College London Hospitals NHS Foundation Trust; London UK