1. Department of Haematology, Imperial College Healthcare NHS Trust, London, United Kingdom
2. Center for Vascular Medicine and Department of Medicine III, University Hospital “Carl Gustav Carus,” Technische Universität Dresden, Germany
3. Department of Vascular Medicine, Academic Medical Center, University of Amsterdam, Holland
4. Katharine Dormandy Haemophilia Center and Thrombosis Unit, The Royal Free Hospital NHS Foundation Trust, London, United Kingdom
5. Haemostasis Research Unit, Department of Haematology, University College London, London, United Kingdom