1. Department of Urology, NU Hospital Group, Uddevalla, Sweden
2. Institute of Clinical Sciences at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
3. Research and Development Centre, Hospital of Skaraborg, Skovde, Sweden
4. Financial Department, Hospital of Skaraborg, Skovde, Sweden
5. Department of Urology, Hospital of Skaraborg, Skovde, Sweden