1. Department of Urology University Medicine Greifswald Greifswald Germany
2. Department of Gynaecology and Gynaecological Oncology University Medicine Bonn Bonn Germany
3. ZIK PlasmatisLeibniz Institute for Plasma Science and Technology (INP Greifswald) Greifswald Germany
4. Department of Hematology and Oncology University Medicine Greifswald Greifswald Germany