1. Department of Urology; Karolinska University Hospital; Stockholm Sweden
2. Nuffield Department of Surgical Sciences; University of Oxford; Oxford UK
3. Clinical Cancer Epidemiology; Department of Oncology-Pathology; Karolinska Institutet; Stockholm Sweden
4. Clinical Epidemiology Unit; Department of Medicine Solna; Karolinska Institutet; Stockholm Sweden
5. Department of Pathology; Karolinska University Hospital; Stockholm Sweden