1. Transfusion Laboratory; CUB Hôpital Erasme; Brussels Belgium
2. Transfusion Laboratory, Freeman Hospital; Newcastle Upon Tyne NHS Trust; Newcastle Upon Tyne UK
3. Transfusion Laboratory; Radboud University Medical Centre; Nijmegen the Netherlands
4. Blood Bank Department; Rigshospitalet, Herlev Hospital; Herlev Denmark
5. Haematology & Blood Transfusion; Royal Free London NHS Foundation Trust, Royal Free Hospital; London UK
6. Health Research Institute; Hospital Universitari I Politėcnic La Fe; Valencia Spain