1. St. George's Haemophilia Centre St. George's University Hospitals NHS Foundation Trust London UK
2. Department of Pediatric Hematology Children's Hospital Ege University Faculty of Medicine Izmir Turkey
3. Bio Products Laboratory Elstree UK
4. Angelo Bianchi Bonomi Hemophilia & Thrombosis Center Milan Italy
5. Department of Pathophysiology and Transplantation Università degli Studi di Milano Milan Italy
6. Indiana Hemophilia & Thrombosis Center Indianapolis IN USA