1. German Red Cross Blood Service Baden-Württemberg-Hesse; Department of Cellular Therapeutics (GMP); Institute Frankfurt; Frankfurt Germany
2. Center of Child and Adolescent Health; Department for Stem Cell Transplantation and Immunology; Goethe University Medical Center; Frankfurt Germany
3. Institute for Transfusion Medicine and Immunohematology; Goethe University Medical Center; Frankfurt Germany
4. Department of Medicine; Division of Hematology; University of Washington; Seattle WA USA