[1] Ghent Univ Hosp, Nephrol Sect, Ghent, Belgium
[2] Univ Amsterdam, Amsterdam UMC, Amsterdam Publ Hlth Res Inst, ERA EDTA Registry,Dept Med Informat, Amsterdam, Netherlands
[3] Kidney Care UK, London, England
[4] Med Univ Vienna, Dept Internal Med, Vienna, Austria
[5] Osped Riuniti Reggio Calabria, Clin Epidemiol & Pathophysiol Hypertens & Renal D, CNR IFC, Reggio Di Calabria, Italy