1. Division of Molecular Genetic Epidemiology; German Cancer Research Center; Heidelberg Germany
2. Division of Clinical Chemistry; Department of Laboratory Medicine; Karolinska Institutet; Huddinge Sweden
3. Department of Urology; Karolinska University Hospital; Stockholm Sweden
4. Department of Molecular Medicine and Surgery; Urology Laboratory; Karolinska Institutet; Stockholm Sweden
5. Division of Clinical Cancer Epidemiology; Sahlgrenska Academy, University of Gothenburg; Gothenburg Sweden
6. Department of Clinical Cancer Epidemiology; Karolinska Intstitutet; Stockholm Sweden
7. Center for Primary Health Care Research, Lund University; Malmö Sweden