1. Department of Obstetrics and Gynecology; University Hospital; Ostrava Czech Republic
2. Department of Urology; University Hospital; Ostrava Czech Republic
3. Department of Surgical Studies; Ostrava University; Ostrava Czech Republic
4. Institute for Research and Applications of Fuzzy Modeling, Centre of Excellence IT4Innovations; University of Ostrava; Ostrava Czech Republic
5. Department of Physiology; Slovak Medical University; Bratislava Slovak Republic
6. Department of Surgery; University of Vermont; Burlington Vermont USA