[1] Toulouse Univ Hosp, Dept Nephrol Dialysis & Multiorgan Transplantat, F-31059 Toulouse 9, France
[2] INSERM, U858, Toulouse 9, France
[3] Toulouse Univ Hosp, Dept Urol & Kidney Transplantat, F-31059 Toulouse 9, France
[4] INSERM, U563, Toulouse 9, France