[1] CHU Bordeaux, Hop Pellegrin Enfants, Dept Pediat Urol & Pediat Surg, Bordeaux, France
[2] CHU Montpellier, Hop Lapeyronie, Serv Chirurg & Urol Pediat, Montpellier, France
[3] Univ Montpellier, Montpellier, France
[4] Vrije Univ Amsterdam Med Ctr, AmsterdamUMC, Sect Pediat Urol, Dept Urol, Amsterdam, Netherlands
[5] Indiana Univ, 702 Barnhill Dr,Suite 4230, Indianapolis, IN 46204 USA
[6] Univ Med Ctr Utrecht, Wilhelmina Childrens Hosp, Dept Med Psychol & Social Work, Urol, POB 85090, NL-3508 AB Utrecht, Netherlands
[7] Rigshosp, Copenhagen Univ Hosp, Dept Pediat Surg, DK-2100 Copenhagen, Denmark
[8] Karolinska Inst, Bioclinicum, Dept Womens & Childrens Hlth, Floor 10, SE-17176 Stockholm, Sweden
[9] Connecticut Childrens Med Ctr, Dept Res, Div Urol, Hartford, CT USA
[10] Univ Toronto, Hosp Sick Chidlren, Toronto, ON, Canada