1. University of Minnesota Medical Center; Minneapolis MN USA
2. Department of Haematology; Singapore General Hospital; Singapore
3. Centre for Haemophilia and Thrombosis; Aarhus University Hospital; Aarhus Denmark
4. Penn State Hershey Medical Center; Hershey PA USA
5. Division of Haematology and Haemostaseology; Department of Medicine I; Medical University of Vienna; Vienna Austria
6. Division of Hematology-Oncology; Department of Internal Medicine; School of Medicine, Medical Research Institute; Pusan National University Hospital; Busan Korea
7. Bayer Vital GmbH; Leverkusen Germany
8. Bayer; Whippany NJ USA
9. Bayer Pharma AG; Berlin Germany