1. Department of Pediatric Hematology Erasmus University Medical Center ‐ Sophia Children's Hospital Rotterdam The Netherlands
2. Department of Clinical Pharmacology ‐ Hospital Pharmacy Amsterdam University Medical Centers The Netherlands
3. Van Creveldkliniek University Medical Center Utrecht, University Utrecht Utrecht The Netherlands
4. Department of Thrombosis and Hemostasis Radboud university medical center Nijmegen The Netherlands
5. Department of Thrombosis and Hemostasis Maxima Medical Center Veldhoven The Netherlands
6. Department of Thrombosis and Hemostasis Leiden University Medical Center Leiden The Netherlands
7. Department of Pediatric Hematology Amsterdam University Medical Centers Amsterdam The Netherlands
8. Department of Molecular and Cellular Hemostasis Sanquin Research Amsterdam the Netherlands
9. Department of Hematology Erasmus University Medical Center Rotterdam the Netherlands
10. Department of Hematology University Medical Center Groningen Groningen The Netherlands