1. Department of Urology; Skåne University Hospital; Malmö Sweden
2. Department of Clinical Sciences; Lund University; Lund Sweden
3. Regional Cancer Centre Uppsala-Örebro; Uppsala University Hospital; Uppsala Sweden
4. Department of Medical Epidemiology and Biostatistics; Karolinska Institutet; Stockholm Sweden
5. Department of Urology; Örebro University Hospital; Örebro Sweden