1. Department of Translational Medicine, Lund University, and Department of Hematology, Oncology and Radiation Physics, Skåne University Hospital, Jan Waldenströms gata 14, SE-205 02 Malmö, Sweden
2. Department of Pediatric Hematology, University Hospital Brno and Masaryk University, Brno, Czech Republic
3. Clinical and Molecular Hemostasis, Department of Pediatrics, University Hospital Frankfurt, Goethe University, Frankfurt, Germany
4. Hemostasis and Thrombosis Unit, Division of Hematology, Cliniques Universitaires Saint-Luc, Université catholique de Louvain (UCLouvain), Brussels, Belgium
5. Hematology Department, Hospital Universitario La Paz, Autónoma University, Madrid, Spain
6. The Royal London Hospital Haemophilia Centre, Barts and the London School of Medicine, QMUL, London, UK