1. Great Ormond Hospital for Children NHS Trust Haemophilia Centre; London UK
2. JSC Institute of Haematology and Transfusiology; Tbilisi Georgia
3. Republican Scientific and Practical Centre of Children Oncology, Hematology and Immunology; Minsk Belarus
4. Unitat d'Hemofilia; Hospital Vall D'Hebron; Barcelona Spain
5. Pediatric Hematology; Department of Pediatrics; University of Alberta; Edmonton AB Canada
6. Hôpital de la Côte de Nacre; Caen France
7. Hospital for Sick Children; Toronto ON Canada
8. Department of Pediatric Hematology Oncology; Children Hospital La Timone; APHM and Inserm; UMR 1062; Aix Marseille University; Marseille France
9. Division of Pediatric Hematology/Oncology; McMaster University; Hamilton ON Canada
10. Western Ukrainian Specialized Children's Medical Centre; Lviv Ukraine
11. Department of Pediatrics; UC Davis Medical Center; Sacramento CA USA
12. Christian Medical College Vellore; Vellore India
13. Cambridge University Hospital NHS Foundation Trust; Cambridge UK
14. Hôpital Trousseau; Centre Régional de Traitement de l'Hémophilie; Tours France
15. Haemophilia Treatment Centre of Rennes-Brittany; University Hospital of Rennes; Rennes France
16. National Children's Specialized Clinic “OHMATDET”; Kiev Ukraine
17. Centre de traitement de l'hémophilie; University Mohamed V; Rabat Morocco
18. Warsaw Medical University; Warsaw Poland
19. CRTH Hôpital Universitaire Bicêtre APHP; Le Kremlin Bicêtre France
20. Sahyadri Speciality Hospital; Pune India
21. Centre Régional de Traitement de I'Hémophilie; University Hospital of Nantes; Nantes France
22. Scientific Research Institute of Mother and Child Health Care; Chişinău Moldova
23. B.C. Children's Hospital; Vancouver BC Canada
24. Morozovskaya Children's Hospital; Moscow Russia
25. Institute of Experimental Haematology and Transfusion Medicine; University Clinic Bonn; Bonn Germany
26. Octapharma Pharmazeutika Produktionsges.mbH; Vienna Austria
27. Octapharma AG; Lachen Switzerland
28. St. Jude Children’s Research Hospital; Memphis TN USA