[1] CRNH Auvergne, F-63009 Clermont Ferrand, France
[2] Hop G Montpied, CHU Clermont Ferrand, Serv Nutr, F-63003 Clermont Ferrand, France
[3] Univ Ersite Clermont 1, Fac Med, F-63001 Clermont Ferrand, France
[4] Univ Bordeaux 2, F-33076 Bordeaux, France
[5] Univ & Spedali Civili, Chair Nephrol, Brescia, Italy
[6] Karolinska Inst, CLINTEC, Div Renal Med, Stockholm, Sweden
[7] Karolinska Inst, CLINTEC, Div Baxter Novum, Stockholm, Sweden
[8] Univ Naples Federico II, Sch Med, Div Nephrol, Naples, Italy
[9] Univ Parma, Sch Med, Internal Med & Nephrol Dept, Parma, Italy
[10] Inst Clin & Expt Med, Dept Nephrol, Transplant Ctr, Prague, Czech Republic
[11] Univ Lyon 1, Hop Edouard Herriot, INSERM, Dept Nephrol,U870, F-69003 Lyon, France
[12] Univ Trieste, Postgrad Sch Internal Med, Dept SCMT, Div Internal Med, Trieste, Italy
[13] Univ Trieste, Postgrad Sch Cardiol, Trieste, Italy
[14] Univ & Spedali Civili, Div Nephrol, Brescia, Italy