1. Department of Urology, University Hospital, Ostrava, Czech Republic
2. Department of Surgical Studies, Faculty of Medicine, Ostrava University, Ostrava, Czech Republic
3. Department of Urology, 2nd Faculty of Medicine of Charles University and Motol University Hospital, Prague, Czech Republic
4. StimVia, Ostrava, Czech Republic
5. Department of Chemistry, Faculty of Science, University of Hradec Králové, Hradec Králové, Czech Republic
6. Department of Urology, Erasmus Medical Center, Rotterdam, The Netherlands
7. Biomedical Laboratory and Research Unit of Urology, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
8. Department of Urology, Odense University Hospital, Odense, Denmark