title: Introductory editorial.
authors.affiliation: Department of Clinical Medicine, Aarhus University, Aarhus, Denmark. Electronic address: jcd@ki.au.dk.
authors.forename: Jens Chr
authors.initials: JC
authors.lastname: Djurhuus
authors.affiliation: Department of Urology, Aarhus University Hospital, Aarhus, Denmark.
authors.forename: L Henning
authors.initials: LH
authors.lastname: Olsen
mesh_terms: D035843:Biomedical Research; D002648:Child; D006801:Humans; D010506:Periodicals as Topic; D006113:United Kingdom; D014570:Urologic Diseases / Q000628:therapy*; D014572:Urology