1. Institute for Clinical Transfusion Medicine and Children Hospital (WE); Städtisches Klinikum Braunschweig gGmbH; Braunschweig Germany
2. Department of Pathology; L235 Stanford University School of Medicine; Stanford CA USA
3. Research and Development Division; IQ Products BV; Groningen The Netherlands
4. Institute for Transfusion Medicine Dessau; Red Cross Blood Transfusion Service-NSTOB; Dessau Germany
5. Centre for Haemostasis and Thrombosis; Haemophilia Reference Centre; St Thomas' Hospital; London UK