1. Centre for Clinical Transfusion Research; Sanquin Blood Supply; Leiden the Netherlands
2. Department of Clinical Epidemiology; Leiden University Medical Centre; Leiden the Netherlands
3. Donor Services Unit; Sanquin Blood Supply; Leiden the Netherlands
4. Haemovigilance and Biovigilance Office; TRIP Foundation (Transfusion and transplantation Reactions In Patients); Leiden the Netherlands
5. International Haemovigilance Network; ISTARE Steering Committee; Amsterdam the Netherlands
6. Panteion University of Social and Political Sciences; Athens Greece
7. Coordinating Haemovigilance Centre (SKAE); Hellenic Centre for Disease Control and Prevention; Athens Greece
8. Blood Transfusion Centre; Luxembourg Red Cross; Luxembourg City Luxembourg
9. Héma-Québec; Montréal QC Canada
10. Department of Haematology; Haga Teaching Hospital; The Hague the Netherlands