1. Division of Clinical Sciences,Department of Infection Medicine, Faculty of Medicine, Lund University, Lund, Sweden
2. Department of Urology, Helsingborg Hospital, Helsingborg, Sweden
3. Department of Urology, Institute of Clinical Science, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden
4. Department of Urology, Sahlgrenska University Hospital, Gothenburg, Sweden