1. Haemophilia Comprehensive Care Centre Great Ormond Street Hospital for Children NHS Trust Haemophilia Centre, NIHR GOSH BRC London UK
2. Department of Hematology Christian Medical College Vellore India
3. Department of Pediatrics, Division of Hematology/Oncology/BMT University of British Columbia and British Columbia Children's Hospital Vancouver Canada
4. Department of Paediatrics, Division of Haematology/Oncology and Child Health Evaluative Sciences Research Institute Hospital for Sick Children Toronto Canada
5. Congenital Coagulopathies Reference Centre São João University Hospital Centre Porto Portugal
6. AP‐HM, Department of Pediatric Hematology Oncology, Children Hospital La Timone Aix Marseille Univ INSERM, INRA, C2VN Marseille France
7. Department of Pediatrics, McMaster Centre of Transfusion Research McMaster University Hamilton Canada
8. Department of Paediatrics Western Ukrainian Specialized Children's Medical Centre Lviv Ukraine
9. Department of Pediatrics University of California Davis Medical Center Sacramento California USA
10. Department of Paediatric Haematology and Oncology, Addenbrooke's Hospital Cambridge University Hospital NHS Foundation Trust Cambridge UK
11. Department of Medicine and Surgery University of Perugia Perugia Italy
12. Centre Régional de Traitement de l'Hémophilie Hôpital Trousseau Tours France
13. Haemophilia Treatment Centre Univ Rennes, CHU Rennes, INSERM, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail) ‐ UMR_S 1085 Rennes France
14. Servicio de Hematología Hospital Univeristario La Paz, Autónoma, University of Madrid Madrid Spain
15. Department of Haematooncology, Division of Paediatrics University Medical Center Ljubljana Ljubljana Slovenia
16. Haemostasis Group of the Polish Society of Haematology and Transfusiology Warsaw Poland
17. Department of Hematology Sahyadri Speciality Hospital Pune India
18. Center for Thrombosis and Hemorrhagic Diseases IRCCS Humanitas Research Hospital Milan Italy
19. Institute of Experimental Haematology and Transfusion Medicine University Clinic Bonn Bonn Germany
20. Regional Reference Centre for Inherited Bleeding and Thrombotic Disorders Regina Margherita Children Hospital Turin Italy
21. Centre Régional de Traitement de I'Hémophilie University Hospital of Nantes Nantes France
22. Department of Hematology OHMATDYT ‐ National Specialized Children's Hospital Kiev Ukraine
23. Octapharma Pharmazeutika Produktionsges m.b.H Vienna Austria
24. Octapharma AG Lachen Switzerland
25. Department of Hematology St. Jude Children's Research Hospital Memphis Tennessee USA