[1] Osped Alessandro Manzoni, Dept Nephrol & Dialysis, Div Nefrol & Dialisi, I-23900 Lecce, Italy
[2] Hosp Univ Reina Sofia, Serv Nefrol, Cordoba, Spain
[3] Huddinge Univ Hosp, Karolinska Inst, Dept Clin Sci, Div Renal Med, Stockholm, Sweden
[4] Lapeyronie Univ Hosp, Dept Nephrol, Montpellier, France
[5] Hosp SAMS, Dept Nephrol & Dialysis, Lisbon, Portugal
[6] Humboldt Univ, Bereich Med Charite, Dept Nephrol & Med Intens Care, D-1040 Berlin, Germany
[7] Kings Coll Hosp London, Dept Renal Med, London, England
[8] Univ Aberdeen, Sch Med, Dept Med & Therapeut, Aberdeen, Scotland
[9] Univ Vienna, Dept Med 3, Div Nephrol & Dialysis, Vienna, Austria
[10] Silesian Univ, Sch Med, Dept Nephrol Endocrinol & Metab Dis, Katowice, Poland
[11] Guys St Thomas & Kings Med Sch, Dept Nephrol & Transplantat, London, England