1. Department of Van Creveldkliniek; University Medical Center Utrecht, University Utrecht; Utrecht The Netherlands
2. Department of Thrombosis and Hemostasis and Einthoven Laboratory for Vascular and Regenerative Medicine; Leiden University Medical Center; Leiden The Netherlands
3. Department of Hematology; University of Groningen, University Medical Center Groningen; Groningen The Netherlands
4. Department of Pediatric Hematology; Amsterdam Medical Center Emma Children’s Hospital; Amsterdam The Netherlands
5. Department of Plasma Proteins; Sanquin Research; Amsterdam the Netherlands
6. Department of Hematology; Radboud University Medical Center; Nijmegen The Netherlands
7. Department of Pediatric Hematology; Erasmus University Medical Center-Sophia Children’s Hospital; Rotterdam The Netherlands
8. Dutch Society of Haemophilia Patients; Leiden The Netherlands
9. Jon J van Rood Center for Clinical Transfusion Medicine; Sanquin Research; Leiden The Netherlands
10. Department of Clinical Epidemiology; Leiden University Medical Center; Leiden The Netherlands
11. Department of Haematology; Erasmus University Medical Center Rotterdam; Rotterdam The Netherlands