1. Pediatric Hematology Emma Children’s Hospital Amsterdam University Medical CenterUniversity of Amsterdam Amsterdam The Netherlands
2. Vascular Medicine Amsterdam University Medical CenterUniversity of Amsterdam Amsterdam The Netherlands
3. Oncology Center for Bleeding Disorders and Coagulation Careggi University Hospital Florence Italy
4. Barts and The London School of Medicine and Dentistry The Royal London Hospital Haemophilia CentreQMUL London UK
5. Haemostasis and Thrombosis Unit Cliniques Universitaires Saint‐LucUniversité Catholique de Louvain Brussels Belgium
6. Hematology Radboud University Medical Center Nijmegen The Netherlands
7. Hematology Erasmus MC University Medical Center Rotterdam Rotterdam The Netherlands
8. Center for Thrombosis and Hemorrhagic Diseases Humanitas Clinical and Research Center Rozzano Italy
9. Angelo Bianchi Bonomi Hemophilia and Thrombosis Center Milan Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Milan Italy
10. Hematology Sapienza University of Rome Rome Italy
11. Hematology Launceston General Hospital Launceston Tasmania Australia
12. Institute of Experimental Haematology and Transfusion Medicine Bonn University Clinic Bonn Bonn Germany
13. Paediatrics Medical University of Vienna Vienna Austria
14. Clinical Epidemiology Leiden University Medical Center Leiden The Netherlands
15. Center for Clinical Transfusion Research Sanquin Research Leiden The Netherlands
16. Molecular Cellular Hemostasis Sanquin Research and Landsteiner Laboratory Amsterdam The Netherlands