1. Department of Medicine III; Technische Universität Dresden; Dresden Germany
2. Department of Obstetrics and Gynecology; Heinrich Heine University Düsseldorf; Düsseldorf Germany
3. Institute of Clinical Chemistry and Laboratory Medicine; University Medicine Greifswald; Greifswald Germany
4. Institute for Community Medicine; University Medicine Greifswald; Greifswald Germany
5. Department of Clinical Pathobiochemistry and Institute for Clinical Chemistry and Laboratory Medicine; Technische Universität Dresden; Dresden Germany
6. DFG Research Center for Regenerative Therapies Dresden; Dresden; Germany
7. Center for Cancer Research; National Cancer Institute; Bethesda MD USA