1. Department of Hematology and Oncology University Cancer Center Hamburg (UCCH) University Medical Center Eppendorf Hamburg Germany
2. Institute of Pathology University Medical Center Eppendorf Hamburg Germany
3. Department of Dermatology and Venereology University Medical Center Eppendorf Hamburg Germany
4. Institute of Clinical Chemistry and Laboratory Medicine University Medical Center Eppendorf Hamburg Germany
5. Department of Medicine New York University School of Medicine New York NY USA