1. Clinic for Gynaecology (CBF), Laboratory for Gynaecologic Tumor Immunology, Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
2. Department of Obstetrics and Gynecology, Catholic Hospital Battor, Battor, Ghana
3. University of Ottawa, Ottawa, Canada