1. Department of Paediatrics, Medical University of Vienna, Vienna, Austria;
2. Bayer AG, Wuppertal, Germany;
3. Kazan State Medical University, Kazan, Russia;
4. M3C-Necker Enfants Malades, Université Paris Descartes, Sorbonne Paris Cité, Paris, France;
5. Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel;
6. Israeli National Hemophilia Center and Thrombosis Unit and The Amalia Biron Thrombosis Research Institute, Sheba Medical Center, Tel Hashomer, Israel;
7. Department of Pediatrics, University of Alberta, Edmonton, AB, Canada;
8. Pediatric Hematology/Oncology, Istanbul Medical Faculty, Istanbul University, Istanbul, Turkey;
9. Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH;
10. Pediatric Hematology, University Hospital Città della Salute e della Scienza, Turin, Italy;
11. Paediatric and Congenital Cardiology Department, M3C Regional Reference Centre, Montpellier University Hospital, PhyMedExp, INSERM, Centre National de la Recherche Scientifique, Montpellier, France;
12. Hospital del Niño Jesus, San Miguel de Tucumán, Argentina;
13. McMaster Children’s Hospital, Hamilton, ON, Canada;
14. Aichi Children’s Health and Medical Center, Aichi, Japan;
15. Paediatric Haematology/Oncology Service, KK Women's and Children's Hospital, Singapore, Singapore;
16. Nemours Children’s Specialty Care, Jacksonville, FL;
17. Bayer U.S., LLC, Whippany, NJ;
18. Department of Clinical Epidemiology and Medical Technology Assessment, Maastricht University Medical Center, Maastricht, The Netherlands;
19. Department of Clinical Haematology, Royal Children’s Hospital, Haematology Research Murdoch Children’s Research Institute, Department of Paediatrics, University of Melbourne, Melbourne, VIC, Australia; and
20. Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA