[1] Univ Genoa, Dept Internal Med, Div Nephrol Dialysis & Transplantat, Genoa, Italy
[2] Osped Policlin San Martino, Genoa, Italy
[3] Univ Hosp Vall Dhebron, Dept Pediat Nephrol, Barcelona, Spain
[4] Asst Papa Giovanni Xxiii, Dept Nephrol, Bergamo, Italy
[5] Temple St Childrens Univ Hosp, Natl Paediat Haemodialysis Ctr & Renal Transplant, Dublin, Ireland
[6] Med Univ Gdansk, Dept Pediat Nephrol & Hypertens, Gdansk, Poland
[7] Irccs Giannina Gaslini, Div Nephrol Dialysis Transplantat, Genoa, Italy
[8] Univ Leuven, Univ Hosp Leuven, Dept Pediat Nephrol & Dev & Regenerat, Leuven, Belgium
[9] Univ Childrens Hosp, Dept Pediat Nephrol Rheumatol & Dermatol, Lyon, France
[10] Univ Campania Luigi Vanvitelli, Dept Translat Med Sci, Naples, Italy
[11] Hosp Padua, Dept Womens & Childs Hlth, Pediat Nephrol Dialysis & Transplant Unit, Padua, Italy
[12] Univ Paris, Hop Necker, AP HP, Cetres Reference Sni & Marhea,Inst Imagine,Nephro, Paris, France
[13] IRCCS, Bambino Gesu Childrens Hosp, Div Nephrol & Dialysis, Rome, Italy
[14] Univ Turin, Nephrol & Dialysis Unit, Turin, Italy
[15] San Giovanni Hosp, Turin, Italy
[16] Heidelberg Univ, Ctr Pediat & Adolescent Med, Div Pediat Nephrol, Heidelberg, Germany
[17] Erknet Workgroups Inherited & Acquired Glomerulop, Stuttgart, Germany