[1] ERA EDTA, Descartes Working Grp, London, England
[2] Univ Antwerp Hosp, Dept Nephrol, Antwerp, Belgium
[3] CHRU Lille, Serv Nephrol, Hop Huriez, F-59037 Lille, France
[4] Parma Univ Hosp, Dept Nephrol, Kidney & Kidney Pancreas Transplant Unit, Parma, Italy
[5] AOU Citta Salute & Sci Torino, Regina Margherita Childrens Hosp, Nephrol Dialysis & Transplantat, Turin, Italy
[6] Univ Lyon 1, Ctr Rererence Malad Renales Rares, F-69365 Lyon, France
[7] Med Univ Vienna, Dept Nephrol & Dialysis, Vienna, Austria
[8] Ghent Univ Hosp, Methods Support Team ERBP, Ghent, Belgium
[9] Krankenhaus Elisabethinen, Dept Internal Med Nephrol & Hypertens Dis 3, Transplantat Med & Rheumatol, Linz, Austria
[10] Ghent Univ Hosp, Div Renal, Ghent, Belgium