1. Department of Internal Medicine III and Comprehensive Cancer Center, Klinikum Grosshadern, Ludwig-Maximilians-University of Munich, Munich, Germany
2. DKTK, German Cancer Consortium, German Cancer Research Center (DKFZ), Heidelberg, Germany
3. Institute of Pathology, Ludwig-Maximilians-University of Munich, Munich, Germany
4. Institute of Laboratory Medicine, German Heart Centre Munich, Technical University of Munich, Munich, Germany
5. Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Bonn, Germany