1. Department of Oncology, Karolinska Institutet and University Hospital, Stockholm, Sweden
2. Department of Clinical Pathology and Cytology, Central Hospital Karlstad, Karlstad, Sweden
3. Department of Oncology/Pathology, Lund University, Lund, Sweden
4. Department of Urology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
5. Department of Biology, Karlstad university, Karlstad, Sweden