1. Department of Hematology Erasmus University Medical Centre Rotterdam The Netherlands
2. Center for Benign Haematology Thrombosis and Haemostasis, Van Creveldkliniek University Medical Center Utrecht, Utrecht University Utrecht The Netherlands
3. Children's Coagulation Centre, Children's Health Ireland Dublin Ireland
4. Rigshospitalet University Hospital Haemophilia Center Copenhagen Denmark
5. Angelo Bianchi Bonomi Haemophilia and Trombosis Center Milan Italy
6. The Royal London Haemophilia Care Center London UK
7. Department of Medicine Region Västra Götaland, Sahlgrenska University Hospital Gothenburg Sweden
8. Sahlgrenska Academy, Institution for Nursing Science and Health at Gothenburg University Gothenburg Sweden