1. The Royal London Hospital Haemophilia Centre, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Whitechapel Road, London E1 2AD, UK
2. Department of Medicine, McMaster University and The Thrombosis and Atherosclerosis Research Institute, Hamilton, ON, Canada
3. Institution of Translational Medicine and Department of Hematology, Oncology and Radiation Physics, Lund University, Skåne University Hospital, Malmö, Sweden
4. Centre for Haemostasis and Thrombosis, St Thomas’ Hospital, London, UK
5. Centre for Haemophilia and Constitutional Bleeding Disorders, Hôpital Bicêtre AP-HP Université Paris-Saclay, Le Kremlin-Bicêtre, France
6. Haemostasis and Thrombosis Unit, Division of Haematology, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain (UCLouvain), Brussels, Belgium
7. Hospital Universitario La Paz, Autónoma University, Madrid, Spain
8. Grupo de Oncohematología Pediátrica, Universidad Nacional de Colombia, Bogotá, Colombia
9. Programa de Hemofilia, Clínica Infantil Colsubsidio, Bogotá, Colombia
10. Department of Transfusion Medicine, Nagoya University Hospital, Nagoya, Japan
11. Launceston General Hospital, Launceston, TAS, Australia
12. Hemocentro UNICAMP, University of Campinas, Campinas, Brazil
13. The Royal London Hospital Haemophilia Centre, Royal London Hospital, Barts Health NHS Trust, London, UK
14. Department of Biology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
15. Aflac Cancer and Blood Disorders, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
16. Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany