1 Department of Women's and Children's Health, Karolinska Institutet, Sweden.
2 Section of Pediatric Urology, Hasbro Children's Hospital, Alpert Medical School at Brown University, USA.
3 Department of Women's and Children's Health, Karolinska Institutet, Sweden; Department of Pediatric Surgery, Rigshospitalet and Department of Health Sciences, Copenhagen University, Denmark. Electronic address: maria.magdalena.fossum@regionh.dk.