[1] Univ Milano Bicocca, Dept Med & Surg, I-20149 Milan, Italy
[2] San Luca Hosp, IRCCS Ist Auxol Italiano, Dept Cardiovasc Neural & Metab Sci, Milan, Italy
[3] Indiana Univ, Indianapolis, IN 46204 USA
[4] VAMC, Indianapolis, IN USA
[5] Gr T Popa Univ Med & Pharm, CI Parhon Univ Hosp, Clin Nephrol, Iasi, Romania
[6] Leiden Univ, Med Ctr, Dept Clin Epidemiol, Leiden, Netherlands
[7] Univ Saarland, Med Ctr, Dept Internal Med 4, Homburg, Saarland, Germany
[8] Univ Amsterdam, Acad Med Ctr, Dept Med Informat, European Renal Assoc European Dialysis & Transpla, Meibergdreef 9, NL-1105 AZ Amsterdam, Netherlands
[9] CNR, Inst Clin Physiol, Via Savi 8, I-56100 Pisa, Italy
[10] Koc Univ, Sch Med, Dept Med, Div Nephrol, Istanbul, Turkey
[11] Nephrol Dialysis & Transplantat Unit, Reggio Di Calabria, Italy
[12] CNR IFC Clin Epidemiol & Pathophysiol Renal Dis &, Reggio Di Calabria, Italy
[13] Ambroise Pare Hosp, AP HP, Div Nephrol, Paris, France
[14] Univ Paris Ouest Versailles St Quentin En Yveline, Villejuif, France
[15] INSERM, U1018, Ctr Rech Epidemiol & Sante Populat CESP, Equipe 5, Villejuif, France
[16] Univ Paris 11, Paris, France
[17] Univ Paris Ouest Versailles St Quentin En Yveline, F CRIN INI CRCT, Paris, France
[18] Univ Autonoma Madrid, Fdn Renal Inigo Alvarez de Toledo, IIS Fdn Jimenez Diaz, Madrid, Spain
[19] INSERM, U1116, Ctr Invest Clin Plurithemat 1433, Nancy, France
[20] CHU Nancy, Inst Lorrain Coeur & Vaisseaux, Dept Cardiol, Vandoeuvre Les Nancy, France
[21] Univ Lorraine, Nancy, France
[22] French Clin Res Infrastructure Network, INI CRCT Cardiovasc & Renal Clin Trialists, Paris, France
[23] Aristotle Univ Thessaloniki, Hippokrat Hosp, Dept Nephrol, GR-54006 Thessaloniki, Greece
[24] Univ Hosp Ghent, Dept Internal Med, Nephrol Sect, Ghent, Belgium
[25] Med Univ Silesia, Dept Nephrol Endocrinol & Metab Dis, Katowice, Poland
[26] Hop Europeen Georges Pompidou, INSERM U970, Paris, France