1. Institute of Pathology, University Medical Center Schleswig-Holstein , SH 23562, Luebeck , Germany
2. Department of Oncology, Hematology and Bone Marrow Transplantation With Division of Pneumology, University Medical Center Hamburg-Eppendorf , Hamburg, HH 20251 , Germany
3. Department of Medicine, University Medical Center Hamburg-Eppendorf , Hamburg, HH 20251 , Germany
4. Department of Urology, University Hospital Schleswig-Holstein , Lübeck, SH 23562 , Germany
5. Pathology, Research Center Borstel – Leibniz Lung Center , Borstel, SH 23845 , Germany