1. Department of Urology; University Hospital; Ostrava Czech Republic
2. Department of Surgical Studies; Ostrava University; Ostrava Czech Republic
3. Radiodiagnostis and Interventional Radiology Department; Institute for Clinical and Experimental Medicine; Prague Czech Republic
4. Spinal Cord Rehabilitation Unit; Rehabilitation Center; Kladruby Czech Republic
5. Department of Urology; Thomayer Hospital and 1st and 3rd Faculty of Medicine of Charles University; Prague Czech Republic
6. Division of Urology; University of Vermont; Burlington Vermont
7. Department of Urology; Erasmus Medical Center; Rotterdam the Netherlands