1. Department of Oncology and Hematology, Bone Marrow Transplantation with Section Pneumology, Hubertus Wald Tumorzentrum/University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;
2. Hematology/Oncology, Department of Internal Medicine II, and
3. Rheumatology/Clinical Immunology, University Hospital of Würzburg, Würzburg, Germany;
4. Research Institute Children’s Cancer Center, Hamburg, Germany;
5. Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;
6. Division of Medicine, Clinic III, Hematology, Oncology and Palliative Medicine, University of Rostock, Rostock, Germany; and
7. Comprehensive Cancer Center Mainfranken, University Hospital of Würzburg, Würzburg, Germany