Affiliation: | 1. Department of Obstetrics and Gynecology, Marien Hospital Herne, Ruhr-Universität Bochum, Bochum, Germany;2. Department of Surgery, Marien Hospital Herne, Ruhr-Universität Bochum, Bochum, Germany;3. Department of Gynecology and Gynecologic Oncology, Medical University of Vienna, Vienna, Austria;4. Labor MVZ Eberhard und Partner, Dortmund, Germany |