1. II. Medical Department University Medical Center Hamburg‐Eppendorf Hamburg Germany
2. Unité d'hémostase Clinique ‐ Hôpital Cardiologique Louis Pradel ‐ Hospices Civils de Lyon Lyon France
3. Department for Internal Medicine – vascular medicine and coagulation disorders at the Vivantes Hospital im Friedrichshain Berlin Germany
4. National Hemophilia Centre Dept. of Hematology and Transfusion Medicine Faculty of Medicine of Comenius University and University Hospital Bratislava Slovakia
5. Department of Haematology Oslo University Hospital and Institute of Clinical Medicine Faculty of Medicine University of Oslo Oslo Norway
6. Servicio de Hematología Hospital Universitario La Paz Paseo de la Castellana Autónoma University Madrid Spain
7. Department for Translational Medicine Lund University and Department for Hematology Oncology and Radiation Physics Skåne University Hospital Malmö Sweden