1. Department of Obstetrics , Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt – Universität zu Berlin , Berlin , Germany
2. Laboratory for Gynaecological Tumorimmunology , Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt – Universität zu Berlin , Berlin , Germany
3. Department of Gynecology with Center for Oncological Surgery , Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt – Universität zu Berlin , Berlin , Germany