1. Department of Urology, School of MedicineMarmara UniversityIstanbul Turkey
2. Department of Urology, School of MedicineKoç UniversityIstanbul Turkey
3. Department of Child and Adolescent PsychiatrySaarland University HospitalHomburg Germany
4. Second Department of Urology, Papageorgiou General HospitalAristotle University of ThessalonikiThessaloniki Greece
5. Department of Surgery, Neuro‐Urology UnitBambino Gesu Pediatric HospitalRome Italy
6. Bristol Urological InstituteSouthmead HospitalBristol UK