1 Ghent University, Corneel Heymanslaan 10, Gent 9000, Belgium; Division of Pediatric Urology, Riley Hospital for Children, Indiana University School of Medicine, 705 Riley Hospital Drive, Suite 4230, Indianapolis, IN, 46202, USA.
2 Ghent University, Corneel Heymanslaan 10, Gent 9000, Belgium; Department of Urology, Ghent University Hospital, Corneel Heymanslaan 10, Gent 9000, Belgium. Electronic address: wietse.claeys@ugent.be.
3 Ghent University, Corneel Heymanslaan 10, Gent 9000, Belgium; Department of Urology, Ghent University Hospital, Corneel Heymanslaan 10, Gent 9000, Belgium.