Affiliation: | 1. Experimental Pediatric Oncology and Hematology, Pediatric Clinic III, University Hospital of the Johann Wolfgang Goethe-University, Frankfurt am Main, Germany;2. Clinic for Stem Cell Transplantation, University Cancer Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;3. Department of Experimental Hematology, Hannover Medical School, Hannover, Germany;4. Division of Experimental Hematology, Cincinnati Children''s Hospital Medical Center, Cincinnati, Ohio, USA |