1. University Clinic Bonn BonnGermany
2. Kurpfalz Hospital and Haemophilia Centre for Children and Adults Heidelberg Germany
3. Laikon General Hospital Athens Greece
4. Hippocration General Hospital Athens Greece
5. University of Padua Medical School Padua Italy
6. Bayer Vital GmbH Leverkusen Germany
7. Lund University and Skåne University Hospital Lund Sweden