1. Deptartment of Internal Medicine 3; University Erlangen-Nürnberg; Erlangen; Germany
2. Institute for Transfusion Medicine; University Hospital Essen; Essen; Germany
3. Institute of Transfusion Medicine; University Hospital of Schleswig-Holstein; Lübeck; Germany
4. HLA Typing Laboratory; Charite Virchow Klinikum; Berlin; Germany
5. Central Institute for Blood Transfusion and Immunology General Hospital and University Clinics; Innsbruck; Austria
6. Laboratory for Immunogenetics; University Hospital Grosshadern; Ludwig-Maximilians-University; Munich; Germany
7. Central Institute for Transfusion Medicine and Blood Donation; Katharinenhospital; Hospital of the City of Stuttgart; Stuttgart; Germany
8. Histocompatibility and Immunogenetics Laboratory; Department of Pathology; Faculty of Medicine Ramathibodi Hospital; Mahidol University; Bangkok; Thailand
9. Department for Blood Group Serology and Transfusion Medicine; Medical University Vienna; Vienna; Austria
10. Transplantation Immunology and Nephrology; University Hospital Basel; Basel; Switzerland
11. Institute for Transfusion Medicine; Hannover Medical School; Hannover; Germany
12. Department of Transplantation Immunology; Institute for Clinical Transfusion Medicine and Immunogenetics (IKT); German Red Cross Blood Transfusion Service & Ulm University Clinic; Ulm; Germany
13. Transfusion Center; University Medical Center; Johannes Gutenberg-University Mainz; Mainz; Germany
14. German Red Cross Donor Service Baden-Wuerttemberg-Hessen; Institute for Transfusion Medicine and Immunohaematology; Frankfurt; Germany
15. Department of Immunhaematology; Leiden University Medical Center; Leiden; The Netherlands
16. Department of Internal Medicine 5; University of Erlangen-Nürnberg; Erlangen; Germany