1. Vivantes Klinikum im Friedrichshain Berlin Germany
2. Department of Medicine I, Clinical Division of Haematology and Haemostaseology Medical University of Vienna Vienna Austria
3. Faculty of Medicine Geneva Switzerland
4. Division of Angiology and Hemostasis University Hospitals of Geneva Geneva Switzerland
5. Department of Hemostasis Disorders and Internal Medicine Institute of Hematology and Transfusion Medicine Warsaw Poland
6. Skåne University Hospital Malmö Sweden
7. Lund University Malmö Sweden
8. Congenital Coagulopathies Reference Center Centro Hospitalar Universitário de São João, E.P.E. Porto Portugal
9. St Thomas’ Hospital London United Kingdom
10. St‐Luc University Hospital Brussels Belgium
11. Oslo University Hospital Oslo Norway
12. Sheba Medical Center, Tel Hashomer & The Amalia Biron Thrombosis Research Institute Tel Aviv University Israel
13. IRCCS Humanitas Research Hospital, Rozzano Milan Italy
14. Institute of Experimental Hematology and Transfusion Medicine University Hospital Bonn Bonn Germany
15. Virgen del Rocío Hospital Seville Spain
16. Department of Medicine I, Division of Hematology and Hemostaseology Medical University of Vienna Vienna Austria
17. Glasgow Royal Infirmary Glasgow UK
18. Van Creveldkliniek, University Medical Center Utrecht, Utrecht University of Utrecht The Netherlands
19. Hospital Universitario La Paz Autónoma University Madrid Spain
20. University Medical Centre Ljubljana, Department of Haematology University of Ljubljana, Faculty of Medicine Ljubljana Slovenia