1. Tissue Typing Center; Blood Transfusion Center of Slovenia; Ljubljana Slovenia
2. Laboratory of Anthropology, Genetics and Peopling History, Department of Genetics and Evolution - Anthropology Unit and Institute of Genetics and Genomics in Geneva (IGE3); University of Geneva; Geneva Switzerland
3. Etablissement Français du Sang (EFS) Rhône-Alpes; Laboratoire HLA; Lyon France
4. Tissue Typing Centre; University Hospital Centre Zagreb; Zagreb Croatia
5. Department of Clinical Immunology; University Hospital Alexandrovska; Sofia Bulgaria
6. Finnish Red Cross Blood Service; Clinical Laboratory; Helsinki Finland
7. Centro de Histocompatibilidad do Sul; Instituto Português de Sangue e Transplantaçâo; Lisbon Portugal
8. Transplantation Laboratory, Haartman Institute; University of Helsinki; Helsinki Finland
9. Department of Immunology and Histocompatibility; Evangelismos Hospital; Athens Greece
10. Organ and Tissue Transplantation Immunology, Regenerative Medicine Department, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico; Milan Italy
11. Immunology Department - Tissue Typing Laboratory; General University Hospital of Athens Alexandra; Athens Greece
12. Hungarian National Blood Transfusion Center; Transplantation Immunogenetics Laboratory; Budapest Hungary
13. Department of Immunology; Oslo University Hospital and University of Oslo; Oslo Norway
14. Department for Blood Group Serology; Medical University Vienna; Wien Austria
15. National Reference Laboratory for Histocompatibility; University Hospital Geneva; Geneva Switzerland