1. Department of Urology, University Hospital of Patras, Patras, Greece.
2. Department of Pathology, University Hospital of Patras, Patras, Greece.
3. Department of Anesthesiology and ICU, University Hospital of Patras, Patras, Greece.
4. Department of Medical Physics, University Hospital of Patras, Patras, Greece.
5. Department of Urology, Medical University of Vienna, Vienna, Austria.