1. Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden
2. Clinical Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
3. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
4. Department of Urology, Aarhus University Hospital Skejby, Aarhus, Denmark
5. Department of Social Medicine, Institute of Public Health, Faculty of Health Sciences, Aarhus University, Denmark