1. Department of Urology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
2. Pathan BV, Pathological Laboratory, Rotterdam, The Netherlands
3. Department of Pathology, Stavanger University Hospital, Stavanger, Norway
4. Department of Mathematics and Natural Science, University of Stavanger, Stavanger, Norway
5. Department of Pathology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
6. Department of Urology, Franciscus Gasthuis & Vlietland, Rotterdam, The Netherlands
7. Department of Urology, Amphia, Breda, The Netherlands