1. From the Department of Experimental Anaesthesiology, University Hospital Freiburg, Center for Tumor Biology, Freiburg, Germany; the Department of Hematology and Oncology, University Hospital Freiburg, Freiburg, Germany; the Center for Tumor Biology, Freiburg, Germany; the Department of Hematology/Oncology, University Hospital Munich, Munich, Germany; and the Department of Pathology, University Hospital Freiburg, Freiburg, Germany.