[1] Univ Barcelona, Hosp Clin, Inst Invest Biomed August Pi Sunyer, Dept Nephrol, E-08036 Barcelona, Spain
[2] Univ Barcelona, Hosp Clin, Inst Invest Biomed August Pi Sunyer, Dept Genet, E-08036 Barcelona, Spain
[3] Univ Barcelona, Hosp Clin, Inst Invest Biomed August Pi Sunyer, Dept Urol, E-08036 Barcelona, Spain
[4] Univ Barcelona, Hosp Clin, Inst Invest Biomed August Pi Sunyer, Renal Transplant Unit, E-08036 Barcelona, Spain