[1] Med Univ Warsaw, Dept Paediat Nephrol, Warsaw, Poland
[2] Bambino Gesu Childrens Hosp IRCCS, Div Nephrol, Dialysis & Transplant Unit, Rome, Italy
[3] Cukurova Univ, Fac Med, Dept Pediat Nephrol, Adana, Turkiye
[4] Heidelberg Univ Hosp, Ctr Pediat & Adolescent Med, Div Pediat Nephrol, Heidelberg, Germany
[5] Polish Mothers Mem Hosp Res Inst, Dept Pediat & Immunol, Nephrol Div, Lodz, Poland
[6] Univ Children Hosp, Dept Nephrol, Belgrade, Serbia
[7] UCL Great Ormond St Hosp, Dept Pediat Nephrol, London, England
[8] Inst Child Hlth, London, England
[9] Vilnius Univ, Inst Clin Med, Clin Pediat, Vilnius, Lithuania
[10] Univ Padua, Dept Womans & Childrens Hlth, Dialysis & Transplant Unit, Pediat Nephrol, Padua, Italy
[11] Ege Univ, Fac Med, Dept Pediat Nephrol, Izmir, Turkiye
[12] IRCCS Azienda Osped Univ Bologna, Pediat Oncol & Hematol Unit, Bologna, Italy
[13] Fdn IRCCS Ca Granda, Osped Maggiore Policlin, Pediat Nephrol Dialysis & Transplant Unit, Milan, Italy
[14] Dr Behcet Children Res & Educ Hosp, Dept Pediat Nephrol, Izmir, Turkiye
[15] Ctr Materno Infantil Norte, Dept Pediat Nephrol, Porto, Portugal