1. Washington Center for Bleeding Disorders at Bloodworks NW; Seattle Washington
2. Department of Hematology/Medical Oncology; Emory University; Atlanta Georgia
3. Thrombosis and Haemostasis Unit; Niguarda Hospital; Milan Italy
4. Arthur Bloom Haemophilia Centre, School of Medicine Cardiff University; Cardiff United Kingdom
5. Department of Medicine 1, Division of Hematology and Hemostasis; Medical University of Vienna; Vienna Austria
6. Section of Hematology/Oncology; Tulane University; New Orleans Louisiana
7. Department of Hematology, Hemostasis, Oncology, and Stem Cell Transplantation; Hannover Medical School; Hannover Germany
8. Section of Hematology/Oncology; Georgetown University; Washington District of Columbia