1. TRIP National Hemovigilance and Biovigilance Office; The Hague the Netherlands
2. Sanquin Blood Supply; Donor Services Unit; Leiden the Netherlands
3. Transfusion Research Unit; Monash University; Melbourne Vic. Australia
4. Serious Transfusion Incident Reporting (STIR) program, Blood Matters; Melbourne Vic. Australia
5. Serious Hazards of Transfusion Haemovigilance Scheme; Manchester UK
6. Haga Teaching Hospital; The Hague the Netherlands