1. Department of Oncology and Hematology; BMT with Section Pneumology, Hubertus Wald Cancer Center, University Medical Center Hamburg-Eppendorf; Hamburg Germany
2. Institute of Human Genetics, Christian-Albrechts-University of Kiel & University Hospital Schleswig-Holstein; Campus Kiel Germany
3. Department of Medical Biometry and Epidemiology; University Medical Center Hamburg-Eppendorf; Hamburg Germany