1. Division of Paediatric Urology, Beacon Hospital, University College Dublin, Dublin, Ireland
2. Department of Pediatric Urology, Erasmus MC University Medical Center, Rotterdam-Sophia Children's Hospital, Rotterdam, The Netherlands
3. Department of Urology, Biruni University, Istanbul, Turkey
4. Department of Urology, University Medical Center Groningen, Groningen, The Netherlands
5. Paediatric Urology, Meyer Children Hospital, University of Florence, Florence, Italy
6. Department of Pediatric Surgery, AOU delle Marche, Ospedale Pediatrico G Salesi, Ancona, Italy
7. Department of Pediatric Urology, Erciyes University Faculty of Medicine, Kayseri, Turkey
8. Division of Pediatric Urology, Department of Urology, İstanbul University İstanbul Faculty of Medicine, İstanbul, Turkey
9. Department of Pediatric Urology, IRCCS Fondazione Ca Granda Ospedale Maggiore Policlinico, Milan, Italy
10. Urology Department, Urology and Nephrology Center, Mansoura University, Mansoura, Egypt
11. Department of Urology, Ghent University Hospital, Ghent University, Ghent, Belgium
12. Department of Urology, University Hospital El Clinico, Madrid, Spain