1. Department of UrologyFaculty of Medicine and Health, Örebro UniversityÖrebro Sweden
2. Department of EpidemiologyHarvard TH Chan School of Public HealthBoston Massachusetts
3. Department of Medical OncologyDana‐Farber Cancer InstituteBoston Massachusetts
4. Department of Clinical epidemiology and biostatisticsSchool of Medical Sciences, Örebro UniversityÖrebro Sweden
5. Department of Medical EpidemiologyKarolinska InstitutetStockholm Sweden