[1] Fdn Irccs Ca Granda, Pediat Nephrol Dialysis & Transplant Unit, Osped Maggio Policlinico, Milan, Italy
[2] Univ Udine, Div Pediat, Dept Med, Udine, Italy
[3] Bambino Gesu Pediat Hosp, Pediat Subspecialties Dept, Nephrol & Dialysis Unit, Ist Di Ric E Cura A Carattere Sci, Rome, Italy
[4] Santobono Childrens Hosp, Pediat Nephrol & Dialysis Unit, Naples, Italy
[5] Azienda Ospedaliero Univ, Dept Pediat, Nephrol & Dialysis Unit, Policlinico Santorsola Malpighi, Bologna, Italy
[6] Azienda Ospedaliero Univ Citta E Salute Sci Di To, Reginamargherita Childrens Hosp, Pediat Nephrol Unit, Turin, Italy
[7] Papa Giovanni Xxiii Hosp, Paediat Unit, Bergamo, Italy
[8] Dept Pediat, Azienda Lassistenza Sanitaria N 5 Friuli Occident, Pordenone, Italy
[9] Meyer Childrens Hosp, Nephrol & Dialysis Unit, Florence, Italy
[10] Univ Hosp Padua, Dept Womens & Childrens Hlth, Pediat Nephrol Dialysis & Transplant Unit, Padua, Italy
[11] Giovanni XXIII Childrens Hosp, Nephrol Unit, Bari, Italy
[12] Azienda Opedaliero Univ G Martino, Pediat Nephrol & Rheumatol Unit Dialysis, Messina, Italy
[13] Childrens Hosp G Cristina, Pediat Nephrol Unit, Azienda Rilievo Nazl Ad Alta Specializzaz Civ, Palermo, Italy
[14] Azienda Ospedaliero Univ Citta Salute E Sci Di To, Reginamargherita Childrens Hosp, Pediat Nephrol Unit, Turin, Italy