1. Department of Surgical and Perioperative Sciences, Urology and Andrology, Umeå University, Sweden
2. Department of Clinical Biochemistry-AKH, Aarhus University Hospital, Denmark
3. Department of Urology, Aarhus University Hospital, Denmark
4. Department of Medical Biosciences, Pathology, Umea University, Sweden
5. Institute of Surgical Sciences, Department of Urology, Sahlgrenska University Hospital, Göteborg, Sweden