1. Hospital Pharmacy-Clinical Pharmacology; Academic Medical Center Amsterdam; Amsterdam the Netherlands
2. Department of Pediatric Hematology; Erasmus University Medical Center - Sophia Children's Hospital Rotterdam; Rotterdam the Netherlands
3. Great Ormond Street Haemophilia Centre; Great Ormond Street Hospital for Children NHS Trust; London UK
4. Katharine Dormandy Haemophilia and Thrombosis Centre; Royal Free Hospital; London UK
5. Netherlands Hemophilia Patient Society (NVHP); Nijkerk the Netherlands
6. Department of Haematology; The Royal London Hospital Barts Health NHS Trust; London UK
7. Oxford Haemophilia and Thrombosis Centre; Oxford University Hospitals; Churchill Hospital; Oxford UK
8. Department of Hematology; Radboud University Medical Center; Nijmegen the Netherlands
9. Department of Thrombosis and Hemostasis; Leiden University Medical Center; Leiden the Netherlands
10. Department of Hematology; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
11. Department of Pediatric Hematology; Academic Medical Center Amsterdam; Amsterdam the Netherlands
12. Department of Plasma Proteins; Sanquin Research; Amsterdam the Netherlands
13. Department of Hematology; Erasmus University Medical Center Rotterdam; Rotterdam the Netherlands
14. Arthur Bloom Haemophilia Centre; Institute of Infection and Immunity; School of Medicine; Cardiff University; Cardiff UK