1 Division of Pediatric Urology, Department of Urology, İstanbul University İstanbul Faculty of Medicine, İstanbul, Turkiye. Electronic address: m_irfan83@yahoo.com.
2 Department of Paediatric Surgery and Urology, Children's Health Ireland at Temple Street and Our Lady's Hospital, Dublin, Ireland. Electronic address: salvatorecascio@doctors.org.uk.
3 Department of Pediatric Urology, Hospital of the Sisters of Charity, Linz, Austria. Electronic address: Bernhard.Haid@ordensklinikum.at.
4 Department of Paediatric Urology, Evelina London Children's Hospital and King's College London, London, UK. Electronic address: Massimo.Garriboli@gstt.nhs.uk.
5 Coordinator Urotherapy Department. Wilhelmina Children's Hospital, Part of University Medical Center, Utrecht, Netherlands. Electronic address: A.Nieuwhof-Leppink@umcutrecht.nl.
6 Department of Surgery/Urology, McMaster University, Hamilton, Ontario, Canada. Electronic address: braga@mcmaster.ca.
8 Department of Urology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA. Electronic address: Caleb.Nelson@childrens.harvard.edu.
9 Department of Pediatric Urology, Lurie Children's Hospital, Chicago, Ilinios, USA. Electronic address: IRosoklija@luriechildrens.org.
10 Department of Pediatric Urology and Pediatric Surgery, Hôpital Pellegrin-Enfants, University Hospital Bordeaux, Bordeux, France. Electronic address: harper_luke@hotmail.com.
11 Department of Pediatric Urology and Pediatric Surgery, Hôpital Pellegrin-Enfants, University Hospital Bordeaux, Bordeux, France.