1. Division of Haematology/Oncology, The Hospital for Sick Children, Toronto, Ontario, Canada
2. Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada
3. Child Health Evaluative Sciences, Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada
4. Haematology Department, The Royal Children's Hospital Melbourne, Victoria, Australia
5. Haematology Research, Murdoch Children's Research Institute, Victoria, Australia
6. Department of Haematology, The Children's Hospital at Westmead, Sydney, Australia
7. Department of Paediatrics and Child Health, University of Sydney, Sydney, Australia
8. Division of Haematology, St. Paul's Hospital, Vancouver, British Columbia, Canada
9. Haematology Department, Royal Prince Alfred Hospital, NSW Health Pathology, Sydney, Australia
10. Department of Paediatric Haematology and Oncology, University Hospital Motol, Prague, Czech Republic
11. Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
12. Italian Association of Haemophilia Centres, Florence, Italy
13. Department of Clinical Haematology, University Hospital Brno, Brno, Czech Republic
14. Faculty of Medicine, Masaryk University, Brno, Czech Republic
15. Department of Clinical Research Services, The Hospital for Sick Children, Toronto, Canada
16. Translational Medicine, Research Institute, The Hospital for Sick Children, Toronto, Canada
17. Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
18. Department of Biochemistry, University of Toronto, Toronto, Ontario, Canada
19. Department of Paediatric Haematology, University Hospital Brno, Brno, Czech Republic