1. Department of Internal Medicine 3 - Rheumatology and Immunology; Friedrich-Alexander-University Erlangen-Nürnberg (FAU); Universitätsklinikum Erlangen; Erlangen Germany
2. Department of Internal Medicine 5 - Hematology and Oncology; Friedrich-Alexander-University Erlangen-Nürnberg (FAU); Universitätsklinikum Erlangen; Erlangen Germany
3. Institute for Transfusion Medicine; University Hospital Essen; Essen Germany
4. Institute of Transfusion Medicine; University Hospital of Schleswig-Holstein; Lübeck- Kiel Germany
5. HLA Laboratory; Center for Tumor Medicine; Charité; Berlin Germany
6. Central Institute for Blood Transfusion and Immunology; General Hospital and University Clinics; Innsbruck Austria
7. Laboratory for Immunogenetics; University Hospital Grosshadern; Ludwig-Maximilians-University; Munich Germany
8. Central Institute for Transfusion Medicine and Blood Donation; Katharinenhospital Stuttgart; Stuttgart Germany
9. Histocompatibility and Immunogenetics Laboratory; Department of Pathology; Mahidol University Bangkok; Bangkok Thailand
10. HLA-Diagnostics and Immunogenetics; Department of Laboratory Medicine, Transplantation Immunology & Nephrology; Department of Biomedicine; University Hospital Basel; Basel Switzerland
11. Transplantation Immunology and Nephrology; Department of Biomedicine; University Basel; Basel Switzerland
12. Department for Blood Group Serology and Transfusion Medicine; Medical University Vienna; Vienna Austria
13. Institute of Clinical Transfusion Medicine and Immunogenetics; University Hospital of Ulm; Ulm Germany
14. Institute for Transfusion Medicine; Hannover Medical School; Hannover Germany
15. Transfusion Center; University Medical Center; Johannes Gutenberg-University Mainz; Mainz Germany
16. German Red Cross Blood Donor Service; Institute for Transfusion Medicine and Immunohaematology; Frankfurt Germany