1. Department of Obstetrics and Gynaecology, Kiel School of Gynaecological Endoscopy, University Hospitals Schleswig-Holstein, Kiel, Germany
2. Clinic of Obstetrics and Gynaecology, St. Elisabeth Hospital, Damme, Germany
3. Medical Ethics, Institute of Experimental Medicine, Christian-Albrechts University Kiel, Kiel, Germany
4. Institute of Anatomy, Christian-Albrechts University Kiel, Kiel, Germany
5. Department of Anaesthesiology and Surgical Intensive Care Medicine, University Hospitals Schleswig-Holstein, Kiel, Germany
6. Department of Urology and Paediatric Urology, University Hospitals Schleswig-Holstein, Kiel, Germany
7. Department of General, Visceral, Thoracic, Transplant, and Paediatric Surgery, University Hospitals Schleswig-Holstein, Kiel, Germany