1. Haemnet , London , UK
2. Haemophilia Centre University Hospital Rigshospitalet , Copenhagen , Denmark
3. Inherited Bleeding Disorders Programme, BC Children's Hospital , Vancouver , Canada
4. Oxford Haemophilia & Thrombosis Centre, Churchill Hospital , Oxford , UK
5. Thrombosis and Haemostasis Unit, Haematology Department, Hospital La Paz Institute for Health Research – IdiPAZ (La Paz University Hospital – Universidad Autónoma de Madrid) , Madrid , Spain
6. Haemophilia Centre , Erasmus University Medical Centre , Rotterdam , The Netherlands
7. Coagulation Centre, Department of Medicine/Section of Hematology and Coagulation , Sahlgrenska University Hospital , Gothenburg , Sweden
8. Division of Internal Medicine and Dermatology , Van Creveldkliniek University Medical Center Utrecht , The Netherlands