[1] Univ Hosp Cologne, Dept Pediat, Cologne, Germany
[2] Univ Cologne, Fac Med, Cologne, Germany
[3] Heidelberg Univ, Inst Med Biometry, Heidelberg, Germany
[4] Univ Hosp Essen, Dept Pediat 2, Essen, Germany
[5] Erciyes Univ, Dept Pediat Nephrol, Fac Med, Kayseri, Turkey
[6] Chu Arnaud Villeneuve univ Montpellier, Pediat Nephrol Unit, Montpellier, France
[7] Marmara Univ, Res & Training Hosp, Div Pediat Nephrol, Istanbul, Turkey
[8] Iran Univ Med Sci, Dept Pediat Nephrol, Ali asghar Children Hosp, Ali asghar Clin Res Dev Ctr aacrdc, Tehran, Iran
[9] Ucl, Ucl Great Ormond St Hosp, Children Inst Child Hlth, London, England
[10] Irccs, Bambino Gesu Childrens Hosp, Dept Pediat Subspecialties, Div Nephrol, Rome, Italy
[11] Osped Maggiore Policlin, Fdn Irccs Ca Granda, Pediat Nephrol Dialysis & Transplant Unit, Milan, Italy
[12] Univ Hosp Leuven, Dept Pediat Nephrol, Leuven, Belgium
[13] Katholieke Univ Leuven, Pkd Res Grp, Dept Dev & Regenerat, Leuven, Belgium
[14] Childrens Mem Hlth Inst, Warsaw, Poland
[15] Pirogov Russian Natl Res Med Univ, Res Clin Inst Pediat, Dept Inherited & Acquired Kidney Dis, Moscow, Russia
[16] Hosp Civils Lyon, Ctr Reference Malad Renales Rares, Pediat Nephrol Unit, Hop Femme Mere Enfant, Bron, France
[17] Heidelberg Univ, Ctr Pediat & Adolescent Med, Div Pediat Nephrol, Heidelberg, Germany
[18] Jagiellonian Univ Med Coll, Fac Med, Dept Pediat Nephrol & Hypertens, Krakow, Poland
[19] Univ Hosp Cologne, Ctr Mol Med, Dept Pediat, Cologne, Germany