[1] Azienda Osped Univ Parma, Dept Nephrol, Parma, Italy
[2] Antwerp Univ, Antwerp Univ Hosp, Dept Nephrol, Antwerp, Belgium
[3] Charite Med Univ Berlin, Dept Nephrol, Berlin, Germany
[4] Hosp del Mar Barcelona, Dept Nephrol, Barcelona, Spain
[5] Univ North Hosp, Dept Nephrol Dialysis & Renal Transplantat, St Etienne, France
[6] Med Univ Vienna, Dept Nephrol, Vienna, Austria
[7] Regina Margherita Childrens Hosp, Pediat Nephrol Unit, Turin, Italy
[8] Rigshosp, Copenhagen Univ Hosp, Dept Nephrol, Copenhagen, Denmark
[9] Inst Clin & Expt Med, Dept Nephrol, Prague, Czech Republic
[10] Royal Infirm Edinburgh NHS Trust, Transplant Unit, Edinburgh, Midlothian, Scotland
[11] Tech Univ Munich, Klinikum Rechts Isar, Dept Nephrol, Munich, Germany
[12] Radboud Univ Nijmegen, Med Ctr, Dept Nephrol, Nijmegen, Netherlands