1. Department of Clinical Epidemiology Leiden University Medical Center Leiden The Netherlands
2. Irish Haemophilia Society Trinity College Dublin Ireland
3. Department of Pediatric Hematology Erasmus University Medical Center – Sophia Children's Hospital Rotterdam The Netherlands
4. Centre for Haemostasis and Thrombosis St Thomas' Hospital London UK
5. Division of Hematology/Oncology Department of Pediatrics Hospital for Sick Children University of Toronto Toronto ON Canada
6. Van Creveldkliniek Department of Hematology University Medical Centre Utrecht Utrecht The Netherlands
7. British Columbia Provincial Bleeding Disorders Program – Adult Division St. Paul's Hospital Vancouver BC Canada
8. Faculty of Health and Social Care University of Chester Chester UK
9. Department of Medicine McMaster‐Bayer Endowed Research Chair in Clinical Epidemiology of Congenital Bleeding Disorders McMaster University Hamilton ON Canada
10. Department of Health Research Methods, Evidence and Impact McMaster‐Bayer Endowed Research Chair in Clinical Epidemiology of Congenital Bleeding Disorders McMaster University Hamilton ON Canada
11. Bloodworks Northwest Seattle WA USA
12. Department of Medicine University of Washington Seattle WA USA
13. Children's Hospital University of California Irvine
14. Center for Inherited Blood Disorders Orange CA USA
15. World Federation of Haemophilia Montreal QC Canada
16. National Hemophilia Foundation New York NY USA
17. Institute for Policy Advancement Ltd Washington DC USA
18. Department of Haematology Christian Medical College Vellore India
19. The Decision Group Amsterdam The Netherlands
20. Erasmus School of Accounting & Assurance Erasmus University Rotterdam The Netherlands
21. Center for Clinical Transfusion Research Sanquin/LUMC Leiden The Netherlands
22. Department of Pediatric Hematology Amsterdam University Medical Center Emma Children's Hospital University of Amsterdam Amsterdam The Netherlands