1. Institute of Experimental Haematology and Blood Transfusion; University of Bonn; Bonn Germany
2. Blood Center of Wisconsin & Medical College of Wisconsin; Milwaukee WI USA
3. Clinical Coagulation Research Unit; Skåne University Hospital; Lund University; Malmö Sweden
4. Danish Haemophilia Society; Copenhagen Denmark
5. Mörfelden; Hämophilie Zentrum Rhein Main- HZRM; Frankfurt Germany