1. Department of Health, Medicine and Caring Sciences Linköping University Linköping Sweden
2. Department of Surgery in Linköping, Department of Biomedical and Clinical Sciences Linköping University Linköping Sweden
3. Unit for Public Health and Statistics, County Council of Östergötland Linköping University Linköping Sweden
4. Department of Urology in Linköping, Department of Biomedical and Clinical Sciences Linköping University Linköping Sweden
5. Department of Public Health and Caring Sciences Uppsala University Uppsala Sweden