1. Haemostasis Research Unit, Department of Haematology, University College London, London, United Kingdom
2. Department of Pharmacy, University College London Hospitals NHS Foundation Trust, London, United Kingdom
3. Centre for Rheumatology, Division of Medicine, University College London, London, United Kingdom
4. Department of Rheumatology, University College London Hospitals NHS Foundation Trust, London, United Kingdom
5. Department of Haematology, University College London Hospitals NHS Foundation Trust, London, United Kingdom