1. PedNet Haemophilia Research Foundation, Baarn, The Netherlands;
2. Van Creveld Kliniek, University Medical Center Utrecht, Utrecht, The Netherlands;
3. Division of Haematology/Oncology, Hospital for Sick Children, Toronto, ON, Canada;
4. Centre de Recherche en Cardiovasculaire et Nutrition (C2VN), Aix Marseille University, Institut National de la Recherche Agronomique (INRA), INSERM, Marseille, France;
5. Centre for Bleeding Disorders, La Timone Children Hospital, Assistance Publique–Hopitaux de Marseille (APHM), Marseille, France;
6. National Hemophilia Center, Ministry of Health, Sheba Medical Center, Tel Hashomer, Israel;
7. Dr V. Haunersches Kinderspital, University of Munich, Munich, Germany;
8. Clinical and Molecular Hemostasis, Department of Pediatrics and Adolescent Medicine, J .W. Goethe University Hospital, Frankfurt, Germany;
9. Department of Paediatrics, Medical University Hospital of Vienna, Vienna, Austria;
10. Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Fondazione, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy; and
11. Department of Clinical Sciences and
12. Department of Pediatrics, Malmö-Lund University, Lund, Sweden