1. Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Bonn, Germany
2. Department of Gynecology and Obstetrics, University Hospital Bonn, Bonn, Germany
3. Center for Integrated Oncology (CIO) Köln/Bonn, Bonn, Germany
4. Department of Surgery, University Hospital Bonn, Bonn, Germany
5. QuoData Statistics, Dresden, Germany
6. Joint Research and Services Center for Biomarker Evaluation in Oncology, Bonn/Dresden, Germany