1 Department of Urology, Herlev and Gentofte University Hospital, Herlev, Denmark. Electronic address: peter.busch.oestergren@regionh.dk.
2 Department of Urology, Herlev and Gentofte University Hospital, Herlev, Denmark; Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
3 Department of Urology, Herlev and Gentofte University Hospital, Herlev, Denmark.