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