[1] Radboudumc Amalia Childrens Hosp, Dept Urol, Div Pediat Urol, Nijmegen, Netherlands
[2] Radboudumc Amalia Childrens Hosp, Dept Pediat Nephrol, Nijmegen, Netherlands
[3] Univ Groningen, Univ Med Ctr Groningen, Beatrix Childrens Hosp, Dept Pediat,Pediat Nephrol, Groningen, Netherlands