1. Department of General Gynecology and Gynecologic Oncology, Medical University of Vienna , Vienna , Austria
2. Department of Anesthesiology, Medical University of Vienna , Vienna , Austria
3. Karl Landsteiner University of Health Sciences, Department of Gynecology and Obstetrics, University Hospital Tulln , Vienna , Austria
4. Karl Landsteiner Institute, Department of Special Gynecology and Obstetrics , Vienna , Austria