[1] Cote Nacre Univ Hosp Ctr, Dept Biostat & Clin Res, F-14033 Caen, France
[2] Cote Nacre Univ Hosp Ctr, Dept Med Intens Care, F-14033 Caen, France
[3] Cote Nacre Univ Hosp Ctr, Dept Surg Intens Care, F-14033 Caen, France
[4] Cote Nacre Univ Hosp Ctr, Dept Microbiol, F-14033 Caen, France
[5] Cochin Univ Hosp Ctr, Dept Med Intens Care, Paris, France
[6] Univ Paris 05, Fac Med, INSERM, Cochin Inst,U567, Paris, France
[7] Lariboisiere Univ Hosp Ctr, Dept Med Intens Care, Paris, France
[8] Univ Paris 07, Paris, France
[9] Univ Hosp Ctr, Dept Med Intens Care, Clermont Ferrand, France
[10] Univ Hosp Ctr, Dept Nephrol, Clermont Ferrand, France
[11] Univ Hosp Ctr, Dept Med Intens Care, Garches, France
[12] Univ Hosp Ctr, Dept Med Intens Care, Marseille, France
[13] St Joseph Hosp, Paris, France
[14] Univ Hosp Ctr, Dept Nephrol, Amiens, France