1. Diagnostic: Identification of „HLA loss“ relapse in leukemia after allogeneic hematopoietic cell transplantation (in collaboration with the Institute for Transfusion Medicine and the Department of Hematology and Stem Cell Transplantation). The service is also available to national centers outside of University Medicine Essen. Coordination by Katharina Fleischhauer, MD, Esteban Arrieta-Bolaños, M.Sc., PhD and Thuja Arrieta-Bolaños, M.Sc., PhD.
  2. Stem cell donor selection: individualized consultation (in collaboration with the Department of Hematology & Stem Cell Transplantation). Coordination by Katharina Fleischhauer, MD