1. Van Creveldkliniek; University Medical Center Utrecht; Utrecht the Netherlands
2. Julius Center for Health Sciences and Primary Care; University Medical Center Utrecht; Utrecht the Netherlands
3. Arthur Bloom Haemophilia Centre; School of Medicine; Cardiff University; Cardiff UK
4. INCT do Sangue Hemocentro Unicamp; University of Campinas; Campinas Brazil
5. Faculty of Medical Sciences Unicamp; University of Campinas; Campinas Brazil
6. Department of Haematology; Christian Medical College; Vellore India
7. Hemostasis and Thrombosis Center; Children's Hospital; Los Angeles CA USA
8. University of Southern California Keck School of Medicine; Los Angeles CA USA
9. Pediatric Thrombosis and Hemostasis Program; Hospital for Sick Children; University of Toronto; Toronto Canada
10. Department of Pediatrics; University of Toronto; Toronto Canada