1. Clinical Research Center, Hvidovre Hospital, University of Copenhagen, Copenhagen, Denmark
2. Section of Urology, Department of Surgery, Glostrup Hospital, Glostrup, Denmark, and Department of Urology, Herlev Hospital,
University of Copenhagen, Copenhagen, Denmark
3. Section of Urology, Department of Surgery, Randers Central Hospital, Randers, Denmark, and Section of Urology, Department of Surgery,
Middelfart Hospital, Middelfart, Denmark
4. Department of Urology,
Odense University Hospital, Odense, Denmark